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ASYNC_WAIT_CTX_new(3), ASYNC_WAIT_CTX_free(3), ASYNC_WAIT_CTX_set_wait_fd(3), ASYNC_WAIT_CTX_get_fd(3), ASYNC_WAIT_CTX_get_all_fds(3), ASYNC_WAIT_CTX_get_changed_fds(3), ASYNC_WAIT_CTX_clear_fd(3), ASYNC_WAIT_CTX_set_callback(3), ASYNC_WAIT_CTX_get_callback(3), ASYNC_WAIT_CTX_set_status(3), ASYNC_WAIT_CTX_get_status(3), ASYNC_callback_fn(3), ASYNC_STATUS_UNSUPPORTED(3), ASYNC_STATUS_ERR(3), ASYNC_STATUS_OK(3), ASYNC_STATUS_EAGAIN(3): functions to manage waiting for asynchronous jobs to complete
BIO_ctrl(3), BIO_callback_ctrl(3), BIO_ptr_ctrl(3), BIO_int_ctrl(3), BIO_reset(3), BIO_seek(3), BIO_tell(3), BIO_flush(3), BIO_eof(3), BIO_set_close(3), BIO_get_close(3), BIO_pending(3), BIO_wpending(3), BIO_ctrl_pending(3), BIO_ctrl_wpending(3), BIO_get_info_callback(3), BIO_set_info_callback(3), BIO_info_cb(3), BIO_get_ktls_send(3), BIO_get_ktls_recv(3): BIO control operations
BIO_get_new_index(3), BIO_meth_new(3), BIO_meth_free(3), BIO_meth_get_read_ex(3), BIO_meth_set_read_ex(3), BIO_meth_get_write_ex(3), BIO_meth_set_write_ex(3), BIO_meth_get_write(3), BIO_meth_set_write(3), BIO_meth_get_read(3), BIO_meth_set_read(3), BIO_meth_get_puts(3), BIO_meth_set_puts(3), BIO_meth_get_gets(3), BIO_meth_set_gets(3), BIO_meth_get_ctrl(3), BIO_meth_set_ctrl(3), BIO_meth_get_create(3), BIO_meth_set_create(3), BIO_meth_get_destroy(3), BIO_meth_set_destroy(3), BIO_meth_get_callback_ctrl(3), BIO_meth_set_callback_ctrl(3): Routines to build up BIO methods
BIO_set_callback_ex(3), BIO_get_callback_ex(3), BIO_set_callback(3), BIO_get_callback(3), BIO_set_callback_arg(3), BIO_get_callback_arg(3), BIO_debug_callback(3), BIO_callback_fn_ex(3), BIO_callback_fn(3): BIO callback functions
CURLMOPT_PUSHDATA(3): pointer to pass to push callback
CURLMOPT_PUSHFUNCTION(3): callback that approves or denies server pushes
CURLMOPT_SOCKETDATA(3): custom pointer passed to the socket callback
CURLMOPT_SOCKETFUNCTION(3): callback informed about what to wait for
CURLMOPT_TIMERDATA(3): custom pointer to pass to timer callback
CURLMOPT_TIMERFUNCTION(3): set callback to receive timeout values
CURLOPT_CHUNK_BGN_FUNCTION(3): callback before a transfer with FTP wildcardmatch
CURLOPT_CHUNK_DATA(3): custom pointer to the FTP chunk callbacks
CURLOPT_CHUNK_END_FUNCTION(3): callback after a transfer with FTP wildcardmatch
CURLOPT_CLOSESOCKETDATA(3): pointer passed to the socket close callback
CURLOPT_CLOSESOCKETFUNCTION(3): callback to socket close replacement function
CURLOPT_DEBUGDATA(3): custom pointer for debug callback
CURLOPT_DEBUGFUNCTION(3): debug callback
CURLOPT_FNMATCH_DATA(3): custom pointer to fnmatch callback
CURLOPT_FNMATCH_FUNCTION(3): wildcard matching function callback
CURLOPT_HEADERDATA(3): pointer to pass to header callback
CURLOPT_HEADERFUNCTION(3): callback that receives header data
CURLOPT_INTERLEAVEDATA(3): custom pointer passed to RTSP interleave callback
CURLOPT_INTERLEAVEFUNCTION(3): callback function for RTSP interleaved data
CURLOPT_IOCTLDATA(3): custom pointer passed to I/O callback
CURLOPT_IOCTLFUNCTION(3): callback for I/O operations
CURLOPT_OPENSOCKETDATA(3): custom pointer passed to open socket callback
CURLOPT_OPENSOCKETFUNCTION(3): set callback for opening sockets
CURLOPT_PROGRESSDATA(3): custom pointer passed to the progress callback
CURLOPT_PROGRESSFUNCTION(3): callback to progress meter function
CURLOPT_READDATA(3): custom pointer passed to the read callback
CURLOPT_READFUNCTION(3): read callback for data uploads
CURLOPT_RESOLVER_START_DATA(3): custom pointer passed to the resolver start callback
CURLOPT_RESOLVER_START_FUNCTION(3): set callback to be called before a new resolve request is started
CURLOPT_SEEKDATA(3): custom pointer passed to the seek callback
CURLOPT_SEEKFUNCTION(3): user callback for seeking in input stream
CURLOPT_SOCKOPTDATA(3): custom pointer to pass to sockopt callback
CURLOPT_SOCKOPTFUNCTION(3): set callback for setting socket options
CURLOPT_SSH_KEYDATA(3): pointer to pass to the SSH key callback
CURLOPT_SSH_KEYFUNCTION(3): callback for known host matching logic
CURLOPT_SSL_CTX_DATA(3): custom pointer passed to ssl_ctx callback
CURLOPT_SSL_CTX_FUNCTION(3): SSL context callback for OpenSSL, wolfSSL or mbedTLS
CURLOPT_SUPPRESS_CONNECT_HEADERS(3): Suppress proxy CONNECT response headers from user callbacks
CURLOPT_TRAILERDATA(3): Custom pointer passed to the trailing headers callback
CURLOPT_TRAILERFUNCTION(3): Set callback for sending trailing headers
CURLOPT_WRITEDATA(3): custom pointer passed to the write callback
CURLOPT_WRITEFUNCTION(3): set callback for writing received data
CURLOPT_XFERINFODATA(3): custom pointer passed to the progress callback
CURLOPT_XFERINFOFUNCTION(3): callback to progress meter function
Callback(3o): Registering OCaml values with the C runtime
DTLS_timer_cb(3), DTLS_set_timer_cb(3): Set callback for controlling DTLS timer duration
EVP_RAND(3), EVP_RAND_fetch(3), EVP_RAND_free(3), EVP_RAND_up_ref(3), EVP_RAND_CTX(3), EVP_RAND_CTX_new(3), EVP_RAND_CTX_free(3), EVP_RAND_instantiate(3), EVP_RAND_uninstantiate(3), EVP_RAND_generate(3), EVP_RAND_reseed(3), EVP_RAND_nonce(3), EVP_RAND_enable_locking(3), EVP_RAND_set_callbacks(3), EVP_RAND_verify_zeroization(3), EVP_RAND_strength(3), EVP_RAND_state(3), EVP_RAND_provider(3), EVP_RAND_CTX_rand(3), EVP_RAND_is_a(3), EVP_RAND_number(3), EVP_RAND_name(3), EVP_RAND_names_do_all(3), EVP_RAND_get_ctx_params(3), EVP_RAND_set_ctx_params(3), EVP_RAND_do_all_provided(3), EVP_RAND_get_params(3), EVP_RAND_gettable_ctx_params(3), EVP_RAND_settable_ctx_params(3), EVP_RAND_gettable_params(3), EVP_RAND_STATE_UNINITIALISED(3), EVP_RAND_STATE_READY(3), EVP_RAND_STATE_ERROR(3): EVP RAND routines
MrmRegisterNames(3): Registers the values associated with the names referenced in UIL (for example, UIL callback function names or UIL identifier names) "MrmRegisterNames" "uil functions" "MrmRegisterNames"
MrmRegisterNamesInHierarchy(3): Registers the values associated with the names referenced in UIL within a single hierarchy (for example, UIL callback function names or UIL identifier names) "MrmRegisterNamesIn\%Hierarchy" "uil functions" "MrmRegisterNamesIn\%Hierarchy"
OSSL_SELF_TEST_new(3), OSSL_SELF_TEST_free(3), OSSL_SELF_TEST_onbegin(3), OSSL_SELF_TEST_oncorrupt_byte(3), OSSL_SELF_TEST_onend(3): functionality to trigger a callback during a self test
OSSL_SELF_TEST_set_callback(3), OSSL_SELF_TEST_get_callback(3): specify a callback for processing self tests
OSSL_trace_set_channel(3), OSSL_trace_set_prefix(3), OSSL_trace_set_suffix(3), OSSL_trace_set_callback(3), OSSL_trace_cb(3): Enabling trace output
RAND_DRBG_set_callbacks(3), RAND_DRBG_set_callback_data(3), RAND_DRBG_get_callback_data(3), RAND_DRBG_get_entropy_fn(3), RAND_DRBG_cleanup_entropy_fn(3), RAND_DRBG_get_nonce_fn(3), RAND_DRBG_cleanup_nonce_fn(3): set callbacks for reseeding
SDL_AddTimer(3): Add a timer which will call a callback after the specified number of milliseconds has elapsed
SDL_LockAudio(3): Lock out the callback function
SDL_PauseAudio(3): Pauses and unpauses the audio callback processing
SDL_SetTimer(3): Set a callback to run after the specified number of milliseconds has elapsed
SDL_UnlockAudio(3): Unlock the callback function
SSL_CTX_ctrl(3), SSL_CTX_callback_ctrl(3), SSL_ctrl(3), SSL_callback_ctrl(3): internal handling functions for SSL_CTX and SSL objects
SSL_CTX_get_verify_mode(3), SSL_get_verify_mode(3), SSL_CTX_get_verify_depth(3), SSL_get_verify_depth(3), SSL_get_verify_callback(3), SSL_CTX_get_verify_callback(3): get currently set verification parameters
SSL_CTX_sess_set_new_cb(3), SSL_CTX_sess_set_remove_cb(3), SSL_CTX_sess_set_get_cb(3), SSL_CTX_sess_get_new_cb(3), SSL_CTX_sess_get_remove_cb(3), SSL_CTX_sess_get_get_cb(3): provide callback functions for server side external session caching
SSL_CTX_set_async_callback(3), SSL_CTX_set_async_callback_arg(3), SSL_set_async_callback(3), SSL_set_async_callback_arg(3), SSL_get_async_status(3), SSL_async_callback_fn(3): manage asynchronous operations
SSL_CTX_set_cert_cb(3), SSL_set_cert_cb(3): handle certificate callback function
SSL_CTX_set_cert_verify_callback(3): set peer certificate verification procedure
SSL_CTX_set_client_cert_cb(3), SSL_CTX_get_client_cert_cb(3): handle client certificate callback function
SSL_CTX_set_client_hello_cb(3), SSL_client_hello_cb_fn(3), SSL_client_hello_isv2(3), SSL_client_hello_get0_legacy_version(3), SSL_client_hello_get0_random(3), SSL_client_hello_get0_session_id(3), SSL_client_hello_get0_ciphers(3), SSL_client_hello_get0_compression_methods(3), SSL_client_hello_get1_extensions_present(3), SSL_client_hello_get0_ext(3): callback functions for early server-side ClientHello processing
SSL_CTX_set_default_passwd_cb(3), SSL_CTX_set_default_passwd_cb_userdata(3), SSL_CTX_get_default_passwd_cb(3), SSL_CTX_get_default_passwd_cb_userdata(3), SSL_set_default_passwd_cb(3), SSL_set_default_passwd_cb_userdata(3), SSL_get_default_passwd_cb(3), SSL_get_default_passwd_cb_userdata(3): set or get passwd callback for encrypted PEM file handling
SSL_CTX_set_info_callback(3), SSL_CTX_get_info_callback(3), SSL_set_info_callback(3), SSL_get_info_callback(3): handle information callback for SSL connections
SSL_CTX_set_keylog_callback(3), SSL_CTX_get_keylog_callback(3), SSL_CTX_keylog_cb_func(3): logging TLS key material
SSL_CTX_set_msg_callback(3), SSL_CTX_set_msg_callback_arg(3), SSL_set_msg_callback(3), SSL_set_msg_callback_arg(3): install callback for observing protocol messages
SSL_CTX_set_record_padding_callback(3), SSL_set_record_padding_callback(3), SSL_CTX_set_record_padding_callback_arg(3), SSL_set_record_padding_callback_arg(3), SSL_CTX_get_record_padding_callback_arg(3), SSL_get_record_padding_callback_arg(3), SSL_CTX_set_block_padding(3), SSL_set_block_padding(3): install callback to specify TLS 1.3 record padding
SSL_CTX_set_security_level(3), SSL_set_security_level(3), SSL_CTX_get_security_level(3), SSL_get_security_level(3), SSL_CTX_set_security_callback(3), SSL_set_security_callback(3), SSL_CTX_get_security_callback(3), SSL_get_security_callback(3), SSL_CTX_set0_security_ex_data(3), SSL_set0_security_ex_data(3), SSL_CTX_get0_security_ex_data(3), SSL_get0_security_ex_data(3): SSL/TLS security framework
SSL_CTX_set_srp_username(3), SSL_CTX_set_srp_password(3), SSL_CTX_set_srp_strength(3), SSL_CTX_set_srp_cb_arg(3), SSL_CTX_set_srp_username_callback(3), SSL_CTX_set_srp_client_pwd_callback(3), SSL_CTX_set_srp_verify_param_callback(3), SSL_set_srp_server_param(3), SSL_set_srp_server_param_pw(3), SSL_get_srp_g(3), SSL_get_srp_N(3), SSL_get_srp_username(3), SSL_get_srp_userinfo(3): SRP control operations
SSL_CTX_set_stateless_cookie_generate_cb(3), SSL_CTX_set_stateless_cookie_verify_cb(3), SSL_CTX_set_cookie_generate_cb(3), SSL_CTX_set_cookie_verify_cb(3): Callback functions for stateless TLS1.3 cookies
SSL_CTX_set_tlsext_servername_callback(3), SSL_CTX_set_tlsext_servername_arg(3), SSL_get_servername_type(3), SSL_get_servername(3), SSL_set_tlsext_host_name(3): handle server name indication (SNI)
SSL_CTX_set_tlsext_ticket_key_evp_cb(3), SSL_CTX_set_tlsext_ticket_key_cb(3): set a callback for session ticket processing
SSL_CTX_set_tmp_dh_callback(3), SSL_CTX_set_tmp_dh(3), SSL_set_tmp_dh_callback(3), SSL_set_tmp_dh(3): handle DH keys for ephemeral key exchange
SSL_CTX_set_tmp_rsa_callback(3), SSL_CTX_set_tmp_rsa(3), SSL_CTX_need_tmp_RSA(3), SSL_set_tmp_rsa_callback(3), SSL_set_tmp_rsa(3), SSL_need_tmp_RSA(3): handle RSA keys for ephemeral key exchange
SSL_psk_client_cb_func(3), SSL_psk_use_session_cb_func(3), SSL_CTX_set_psk_client_callback(3), SSL_set_psk_client_callback(3), SSL_CTX_set_psk_use_session_callback(3), SSL_set_psk_use_session_callback(3): set PSK client callback
SSL_psk_server_cb_func(3), SSL_psk_find_session_cb_func(3), SSL_CTX_use_psk_identity_hint(3), SSL_use_psk_identity_hint(3), SSL_CTX_set_psk_server_callback(3), SSL_set_psk_server_callback(3), SSL_CTX_set_psk_find_session_callback(3), SSL_set_psk_find_session_callback(3): set PSK identity hint to use
SSL_set_tmp_ecdh(3), SSL_CTX_set_tmp_ecdh(3), SSL_set_ecdh_auto(3), SSL_CTX_set_ecdh_auto(3), SSL_set_tmp_ecdh_callback(3), SSL_CTX_set_tmp_ecdh_callback(3): select a curve for ECDH ephemeral key exchange
Tcl_CallWhenDeleted.tcl85(3), Tcl_CallWhenDeleted(3), Tcl_DontCallWhenDeleted(3): Arrange for callback when interpreter is deleted
Tcl_CallWhenDeleted.tcl86(3), Tcl_CallWhenDeleted(3), Tcl_DontCallWhenDeleted(3): Arrange for callback when interpreter is deleted
Tcl_CallWhenDeleted.tcl87(3), Tcl_CallWhenDeleted(3), Tcl_DontCallWhenDeleted(3): Arrange for callback when interpreter is deleted
Tcl_CreateCloseHandler.tcl85(3), Tcl_CreateCloseHandler(3), Tcl_DeleteCloseHandler(3): arrange for callbacks when channels are closed
Tcl_CreateCloseHandler.tcl86(3), Tcl_CreateCloseHandler(3), Tcl_DeleteCloseHandler(3): arrange for callbacks when channels are closed
Tcl_CreateCloseHandler.tcl87(3), Tcl_CreateCloseHandler(3), Tcl_DeleteCloseHandler(3): arrange for callbacks when channels are closed
Tcl_CreateFileHandler.tcl85(3), Tcl_CreateFileHandler(3), Tcl_DeleteFileHandler(3): associate procedure callbacks with files or devices (Unix only)
Tcl_CreateFileHandler.tcl86(3), Tcl_CreateFileHandler(3), Tcl_DeleteFileHandler(3): associate procedure callbacks with files or devices (Unix only)
Tcl_CreateFileHandler.tcl87(3), Tcl_CreateFileHandler(3), Tcl_DeleteFileHandler(3): associate procedure callbacks with files or devices (Unix only)
Tcl_NRAddCallback.tcl86(3), Tcl_NRCreateCommand(3), Tcl_NRCallObjProc(3), Tcl_NREvalObj(3), Tcl_NREvalObjv(3), Tcl_NRCmdSwap(3), Tcl_NRExprObj(3), Tcl_NRAddCallback(3): Non-Recursive (stackless) evaluation of Tcl scripts
Tcl_NRAddCallback.tcl87(3), Tcl_NRCreateCommand(3), Tcl_NRCallObjProc(3), Tcl_NREvalObj(3), Tcl_NREvalObjv(3), Tcl_NRCmdSwap(3), Tcl_NRExprObj(3), Tcl_NRAddCallback(3): Non-Recursive (stackless) evaluation of Tcl scripts
Tk_CreateClientMessageHandler.tk85(3), Tk_CreateClientMessageHandler(3), Tk_DeleteClientMessageHandler(3): associate procedure callback with ClientMessage type X events
Tk_CreateClientMessageHandler.tk86(3), Tk_CreateClientMessageHandler(3), Tk_DeleteClientMessageHandler(3): associate procedure callback with ClientMessage type X events
Tk_CreateEventHandler.tk85(3), Tk_CreateEventHandler(3), Tk_DeleteEventHandler(3): associate procedure callback with an X event
Tk_CreateEventHandler.tk86(3), Tk_CreateEventHandler(3), Tk_DeleteEventHandler(3): associate procedure callback with an X event
Tk_CreateGenericHandler.tk85(3), Tk_CreateGenericHandler(3), Tk_DeleteGenericHandler(3): associate procedure callback with all X events
Tk_CreateGenericHandler.tk86(3), Tk_CreateGenericHandler(3), Tk_DeleteGenericHandler(3): associate procedure callback with all X events
UI_UTIL_read_pw_string(3), UI_UTIL_read_pw(3), UI_UTIL_wrap_read_pem_callback(3): user interface utilities
X509_STORE_CTX_get_cleanup(3), X509_STORE_CTX_get_lookup_crls(3), X509_STORE_CTX_get_lookup_certs(3), X509_STORE_CTX_get_check_policy(3), X509_STORE_CTX_get_cert_crl(3), X509_STORE_CTX_get_check_crl(3), X509_STORE_CTX_get_get_crl(3), X509_STORE_CTX_get_check_revocation(3), X509_STORE_CTX_get_check_issued(3), X509_STORE_CTX_get_get_issuer(3), X509_STORE_CTX_get_verify_cb(3), X509_STORE_CTX_set_verify_cb(3), X509_STORE_CTX_verify_cb(3), X509_STORE_CTX_print_verify_cb(3): get and set X509_STORE_CTX components such as verification callback
X509_STORE_set_lookup_crls_cb(3), X509_STORE_set_verify_func(3), X509_STORE_get_cleanup(3), X509_STORE_set_cleanup(3), X509_STORE_get_lookup_crls(3), X509_STORE_set_lookup_crls(3), X509_STORE_get_lookup_certs(3), X509_STORE_set_lookup_certs(3), X509_STORE_get_check_policy(3), X509_STORE_set_check_policy(3), X509_STORE_get_cert_crl(3), X509_STORE_set_cert_crl(3), X509_STORE_get_check_crl(3), X509_STORE_set_check_crl(3), X509_STORE_get_get_crl(3), X509_STORE_set_get_crl(3), X509_STORE_get_check_revocation(3), X509_STORE_set_check_revocation(3), X509_STORE_get_check_issued(3), X509_STORE_set_check_issued(3), X509_STORE_get_get_issuer(3), X509_STORE_set_get_issuer(3), X509_STORE_CTX_get_verify(3), X509_STORE_set_verify(3), X509_STORE_get_verify_cb(3), X509_STORE_set_verify_cb_func(3), X509_STORE_set_verify_cb(3), X509_STORE_CTX_cert_crl_fn(3), X509_STORE_CTX_check_crl_fn(3), X509_STORE_CTX_check_issued_fn(3), X509_STORE_CTX_check_policy_fn(3), X509_STORE_CTX_check_revocation_fn(3), X509_STORE_CTX_cleanup_fn(3), X509_STORE_CTX_get_crl_fn(3), X509_STORE_CTX_get_issuer_fn(3), X509_STORE_CTX_lookup_certs_fn(3), X509_STORE_CTX_lookup_crls_fn(3): set verification callback
XOpenIM(3), XCloseIM(3), XSetIMValues(3), XGetIMValues(3), XDisplayOfIM(3), XLocaleOfIM(3), XRegisterIMInstantiateCallback(3), XUnregisterIMInstantiateCallback(3): open, close, and obtain input method information
XmAddProtocolCallback(3): A VendorShell function that adds client callbacks for a protocol "XmAddProtocolCallback" "VendorShell functions" "XmAddProtocolCallback" "protocols"
XmAddWMProtocolCallback(3): A VendorShell convenience interface that adds client callbacks for a protocol "XmAddWMProtocol\%Callback" "VendorShell functions" "XmAddWMProtocol\%Callback" "protocols"
XmRemoveProtocolCallback(3): A VendorShell function that removes a callback from the internal list "XmRemoveProtocol\%Callback" "VendorShell functions" "XmRemoveProtocol\%Callback" "protocols"
XmRemoveWMProtocolCallback(3): A VendorShell convenience interface that removes a callback from the internal list "XmRemoveWMProtocol\%Callback" "VendorShell functions" "XmRemoveWMProtocol\%Callback" "protocols"
XmtAddDeleteCallback(3), XmtAddDeleteCallback()(3), XmtAddSaveYourselfCallback()(3): register callbacks for session management protocols
XmtDialogOkayCallback(3), XmtDialog{Okay(3), Cancel(3), Apply(3), Reset(3), Done}Callback()(3), XmtDialogGetDataAddress()(3), XmtDialogSetReturnValue()(3): predefined callbacks for use with automatic dialogs and functions for writing custom dialog callbacks
XmtHelpInstallContextHelp(3), XmtHelpInstallContextHelp()(3), XmtHelpContextHelpCallback()(3): keyboard bindings for context help
XmtRegisterProcedures(3), XmtRegisterProcedures()(3), XmtRegisterCallbackProcedure()(3), XmtVaRegisterCallbackProcedures()(3): register procedures for use with the Xmt callback converter
XmtRegisterUnixProcedures(3), XmtRegisterXtProcedures()(3), XmtRegisterXmtProcedures()(3), XmtRegisterUnixProcedures()(3): register commonly used procedures with the Xmt callback converter
XmtSymbolAddCallback(3), XmtSymbolAddCallback()(3), XmtSymbolRemoveCallback()(3): add and remove a procedure to be called when a symbol's value changes
XtAddCallback(3), XtAddCallbacks(3), XtRemoveCallback(3), XtRemoveCallbacks(3), XtRemoveAllCallbacks(3): add and remove callback procedures
XtCallCallbacks(3), XtCallCallbackList(3), XtHasCallbacks(3): process callbacks
XtPopdown(3), XtCallbackPopdown(3): unmap a pop-up
XtPopup(3), XtPopupSpringLoaded(3), XtCallbackNone(3), XtCallbackNonexclusive(3), XtCallbackExclusive(3): map a pop-up
ZIP_SOURCE_GET_ARGS(3): validate and cast arguments to source callback
al_set_mixer_postprocess_callback(3): Allegro 5 API
archive_read_add_passphrase(3), archive_read_set_passphrase_callback(3): functions for reading encrypted archives
archive_read_extract(3), archive_read_extract2(3), archive_read_extract_set_progress_callback(3): functions for reading streaming archives
archive_write_set_passphrase(3), archive_write_set_passphrase_callback(3): functions for writing encrypted archives
ares_set_socket_callback(3): Set a socket creation callback
ares_set_socket_configure_callback(3): Set a socket configuration callback
ares_set_socket_functions(3): Set socket io callbacks
callback(3): closures with variable arguments as first-class C functions
callback(8): call a user back, presenting a login prompt
callback.tcl87(n), callback(n), mymethod(n): generate callbacks to methods
cgi_register_parse_cb(3), cgi_register_parse_cb (3): Register a parse callback
ck_epoch_barrier(3): block until a grace period and all callbacks have been dispatched
ck_epoch_reclaim(3): immediately execute all deferred callbacks
cmap_dispatch(3): Dispatches callbacks from the CMAP service
cmap_fd_get(3): Dispatches callbacks from the CMAP service
cpg_dispatch(3): Dispatches callbacks from the CPG service
cpg_fd_get(3): Dispatches callbacks from the CPG service
critcl_callback(n), critcl::callback(n): CriTcl C-level Callback Utilities
curl_global_init_mem(3): Global libcurl initialisation with memory callbacks
curl_mime_data_cb(3): set a callback-based data source for a mime part's body
cxSetArchiveExtractCallback(3): Sets the archive specific extraction callback
dyncallback(3): callback interface of dyncall
for_each_file_ex(3): Executes callback() for each file matching a wildcard. Allegro game programming library
getdns_cancel_callback(3): -- cancel an outstanding asyn getdns request
getdns_context_set_append_name(3): getdns_context_set_context_update_callback, getdns_context_set_dns_root_servers, getdns_context_set_dns_transport, getdns_context_set_dnssec_trust_anchors, getdns_context_set_dnssec_allowed_skew, getdns_context_set_follow_redirects, getdns_context_set_limit_outstanding_queries, getdns_context_set_namespaces, getdns_context_set_resolution_type, getdns_context_set_suffix, getdns_context_set_timeout, -- getdns context manipulation routines n
gluNurbsCallback(3), "gluNurbsCallback(3): define a callback for a NURBS object
gluNurbsCallbackDataEXT(3), "gluNurbsCallbackDataEXT(3): set a user data pointer
gluQuadricCallback(3), "gluQuadricCallback(3): define a callback for a quadrics object
gluTessCallback(3), "gluTessCallback(3): define a callback for a tessellation object
glutButtonBoxFunc(3): sets the dial & button box button callback for the current window
glutDialsFunc(3): sets the dial & button box dials callback for the current window
glutDisplayFunc(3): sets the display callback for the current window
glutEntryFunc(3): sets the mouse enter/leave callback for the current window
glutForceJoystickFunc(3): forces current window's joystick callback to be called
glutGetModifiers(3): returns the modifier key state when certain callbacks were generated
glutIdleFunc(3): sets the global idle callback
glutJoystickFunc(3): sets the joystick callback for the current window
glutKeyboardFunc(3): sets the keyboard callback for the current window
glutKeyboardUpFunc(3): sets the keyboard up (key release) callback for the current window
glutMenuStatusFunc(3): sets the global menu status callback
glutMotionFunc(3), glutPassiveMotionFunc(3): set the motion and passive motion callbacks respectively for the current window
glutMouseFunc(3): sets the mouse callback for the current window
glutOverlayDisplayFunc(3): sets the overlay display callback for the current window
glutReshapeFunc(3): sets the reshape callback for the current window
glutSpaceballButtonFunc(3): sets the Spaceball button callback for the current window
glutSpaceballMotionFunc(3): sets the Spaceball motion callback for the current window
glutSpaceballRotateFunc(3): sets the Spaceball rotation callback for the current window
glutSpecialFunc(3): sets the special keyboard callback for the current window
glutSpecialUpFunc(3): sets the special keyboard up (key release) callback for the current window
glutTabletButtonFunc(3): sets the special keyboard callback for the current window
glutTabletMotionFunc(3): sets the special keyboard callback for the current window
glutTimerFunc(3): registers a timer callback to be triggered in a specified number of milliseconds
glutVisibilityFunc(3): sets the visibility callback for the current window
gsasl_callback(3): API function
gsasl_callback_hook_get(3): API function
gsasl_callback_hook_set(3): API function
gsasl_callback_set(3): API function
gsasl_client_callback_anonymous_get(3): API function
gsasl_client_callback_anonymous_set(3): API function
gsasl_client_callback_authentication_id_get(3): API function
gsasl_client_callback_authentication_id_set(3): API function
gsasl_client_callback_authorization_id_get(3): API function
gsasl_client_callback_authorization_id_set(3): API function
gsasl_client_callback_maxbuf_get(3): API function
gsasl_client_callback_maxbuf_set(3): API function
gsasl_client_callback_passcode_get(3): API function
gsasl_client_callback_passcode_set(3): API function
gsasl_client_callback_password_get(3): API function
gsasl_client_callback_password_set(3): API function
gsasl_client_callback_pin_get(3): API function
gsasl_client_callback_pin_set(3): API function
gsasl_client_callback_qop_get(3): API function
gsasl_client_callback_qop_set(3): API function
gsasl_client_callback_realm_get(3): API function
gsasl_client_callback_realm_set(3): API function
gsasl_client_callback_service_get(3): API function
gsasl_client_callback_service_set(3): API function
gsasl_server_callback_anonymous_get(3): API function
gsasl_server_callback_anonymous_set(3): API function
gsasl_server_callback_cipher_get(3): API function
gsasl_server_callback_cipher_set(3): API function
gsasl_server_callback_cram_md5_get(3): API function
gsasl_server_callback_cram_md5_set(3): API function
gsasl_server_callback_digest_md5_get(3): API function
gsasl_server_callback_digest_md5_set(3): API function
gsasl_server_callback_external_get(3): API function
gsasl_server_callback_external_set(3): API function
gsasl_server_callback_gssapi_get(3): API function
gsasl_server_callback_gssapi_set(3): API function
gsasl_server_callback_maxbuf_get(3): API function
gsasl_server_callback_maxbuf_set(3): API function
gsasl_server_callback_qop_get(3): API function
gsasl_server_callback_qop_set(3): API function
gsasl_server_callback_realm_get(3): API function
gsasl_server_callback_realm_set(3): API function
gsasl_server_callback_retrieve_get(3): API function
gsasl_server_callback_retrieve_set(3): API function
gsasl_server_callback_securid_get(3): API function
gsasl_server_callback_securid_set(3): API function
gsasl_server_callback_service_get(3): API function
gsasl_server_callback_service_set(3): API function
gsasl_server_callback_validate_get(3): API function
gsasl_server_callback_validate_set(3): API function

keyboard_callback(3): User specified keyboard callback handler. Allegro game programming library
keyboard_lowlevel_callback(3): User specified low level keyboard event handler. Allegro game programming library
keyboard_ucallback(3): User specified unicode keyboard callback handler. Allegro game programming library
knet_handle_enable_pmtud_notify(3): install a callback to receive PMTUd changes
knet_handle_enable_sock_notify(3): Register a callback to receive socket events
knet_host_enable_status_change_notify(3): Install a callback to get host status change events
libowfat_iob_write(3), iob_write(3): send I/O batch through callback
libssh2_session_callback_set(3): set a callback function
libssh2_userauth_publickey(3): authenticate using a callback function
libunbound(3), unbound.h(3), ub_ctx(3), ub_result(3), ub_callback_type(3), ub_ctx_create(3), ub_ctx_delete(3), ub_ctx_set_option(3), ub_ctx_get_option(3), ub_ctx_config(3), ub_ctx_set_fwd(3), ub_ctx_set_stub(3), ub_ctx_set_tls(3), ub_ctx_resolvconf(3), ub_ctx_hosts(3), ub_ctx_add_ta(3), ub_ctx_add_ta_autr(3), ub_ctx_add_ta_file(3), ub_ctx_trustedkeys(3), ub_ctx_debugout(3), ub_ctx_debuglevel(3), ub_ctx_async(3), ub_poll(3), ub_wait(3), ub_fd(3), ub_process(3), ub_resolve(3), ub_resolve_async(3), ub_cancel(3), ub_resolve_free(3), ub_strerror(3), ub_ctx_print_local_zones(3), ub_ctx_zone_add(3), ub_ctx_zone_remove(3), ub_ctx_data_add(3), ub_ctx_data_remove(3): Unbound DNS validating resolver 1.11.0 functions
load_datafile_callback(3): Loads a datafile into memory, calling a hook per object. Allegro game programming library
memcached_callback_get(3): libmemcached Documentation rst2man-indent-level 0 1 rstReportMargin \$1

memcached_callback_set(3): libmemcached Documentation rst2man-indent-level 0 1 rstReportMargin \$1

memcached_get_sasl_callbacks(3): libmemcached Documentation rst2man-indent-level 0 1 rstReportMargin \$1
memcached_set_sasl_callbacks(3): libmemcached Documentation rst2man-indent-level 0 1 rstReportMargin \$1
midi_msg_callback(3), midi_meta_callback(3), midi_sysex_callback(3): Hook functions allowing you to intercept MIDI player events. Allegro game programming library
milter-callback(8): sendmail milter using sender verification
mkd-callbacks(3), mkd_callbacks(3): functions that modify link targets
mouse_callback(3): User specified mouse callback. Allegro game programming library
ne_malloc(3), ne_calloc(3), ne_realloc(3), ne_strdup(3), ne_strndup(3), ne_oom_callback(3): memory allocation wrappers
ne_set_server_auth(3), ne_set_proxy_auth(3), ne_forget_auth(3): register authentication callbacks
ne_ssl_set_verify(3): register an SSL certificate verification callback
oath_hotp_validate_callback(3): API function
oath_totp_validate2_callback(3): API function
oath_totp_validate3_callback(3): API function
oath_totp_validate4_callback(3): API function
oath_totp_validate_callback(3): API function
panda_closetext(3): a traversal callback used for closing text streams within the PDF
panda_processtrans(3): a traversal callback used for processing transition objects within the PDF
quorum_dispatch(3): Dispatches callbacks from the quorum service
quorum_fd_get(3): Dispatches callbacks from the quorum service
quorum_trackstart(3): Enable callbacks notification
quorum_trackstop(3): Disable callbacks notification
remove_display_switch_callback(3): Removes a switching notification callback. Allegro game programming library
rest_callback(3): Like rest(), but calls the callback during the wait. Allegro game programming library
rpoll(l): callback functions for file descriptors and timers
sam_hc_callback_register(3): Register health check callback
sasl_callbacks(3): Cyrus SASL documentation rst2man-indent-level 0 1 rstReportMargin \$1
set_close_button_callback(3): Handles the user clicking on the close button of the window. Allegro game programming library
set_display_switch_callback(3): Installs a switching notification callback. Allegro game programming library
shishi_prompt_password_callback_get(3): API function
shishi_prompt_password_callback_set(3): API function
ssl_ct_validation_cb(3), SSL_enable_ct(3), SSL_CTX_enable_ct(3), SSL_disable_ct(3), SSL_CTX_disable_ct(3), SSL_set_ct_validation_callback(3), SSL_CTX_set_ct_validation_callback(3), SSL_ct_is_enabled(3), SSL_CTX_ct_is_enabled(3): control Certificate Transparency policy
unicode::linebreak_callback_base(3), unicode::linebreak_callback_save_buf(3), unicode::linebreakc_callback_base(3), unicode::linebreak_iter(3), unicode::linebreakc_iter(3): unicode line-breaking rules
unicode::wordbreak_callback_base(3), unicode::wordbreak_callback_base(3): unicode word-breaking rules
update.tcl85(n), update(n): Process pending events and idle callbacks
update.tcl86(n), update(n): Process pending events and idle callbacks
update.tcl87(n), update(n): Process pending events and idle callbacks
volpack-Callback(3), vpSetCallback(3): define a callback function
votequorum_dispatch(3): Dispatches callbacks from the votequorum service
votequorum_fd_get(3): Dispatches callbacks from the votequorum service
votequorum_trackstart(3): Enable callbacks notification
votequorum_trackstop(3): Disable callbacks notification
zip_register_progress_callback(3): provide updates during zip_close (obsolete interface)
zip_register_progress_callback_with_state(3): provide updates during zip_close
zmq_timers(3): helper functions for cross-platform timers callbacks
Alzabo::ChangeTracker(3): Saves a set of changes as callbacks that can be backed out if needed
Amon2::Web::Response::Callback(3): [EXPERIMENTAL]callback style psgi response for Amon2
AnyEvent::Subprocess::Job::Delegate::Callback(3): call callbacks for each job/run/done step
AnyEvent::Subprocess::Job::Delegate::MonitorHandle(3): monitor a handle for input and invoke callbacks with that input
AnyEvent::Subprocess::Running::Delegate::Callback(3): the "Running" part of the Callback delegate
App::CLI::Extension::Component::InstallCallback(3): for App::CLI::Extension install callback module
Authen::PAAS::Callback(3): callback for retrieving authentication data
Authen::PAAS::ConsoleCallback(3): blah
Authen::PAAS::SimpleCallback(3): A callback implementation with static data
B::Hooks::OP::Check(3): Wrap OP check callbacks
B::Hooks::OP::Check::EntersubForCV(3): Invoke callbacks on construction of entersub OPs for certain CVs
B::OPCheck(3): PL_check hacks using Perl callbacks
BS::Event(3): A class that provides an event callback interface
Business::WorldPay::Junior(3): Perl module to handle WorldPay Junior for payment services, including callback services
Callback::Frame(3): Preserve error handlers and "local" variables across callbacks
Continuity::RequestCallbacks(3): Mix callbacks into the Continuity request object
Dancer::RPCPlugin::CallbackResult(3): Factory for generating Callback-results
Danga::Socket::Callback(3): Use Danga::Socket From Callbacks
Data::Grove::Visitor(3): add visitor/callback methods to Data::Grove objects
Data::Stream::Bulk::Callback(3): Callback based bulk iterator
Data::Visitor::Callback(3): A Data::Visitor with callbacks
Devel::Events::Filter::Callback(3): Callback based Devel::Events::Filter
Devel::Events::Handler::Callback(3): An event handler that delegates to code references
Devel::Leak::Cb(3): Detect leaked callbacks
Dist::Zilla::Plugin::FinderCode(3): a callback-based FileFinder plugin
DtActionCallbackProc(3): notify application that the status of an application has changed
DtWsmAddCurrentWorkspaceCallback(3): add a callback to be called when the current workspace changes
DtWsmAddWorkspaceModifiedCallback(3): add a callback to be called when any workspace is changed
DtWsmRemoveWorkspaceCallback(3): remove a workspace callback
Event::ExecFlow::Callbacks(3): Callbacks attached to jobs
File::DirCompare(3): Perl module to compare two directories using callbacks
Forest::Tree::Builder::Callback(3): A Forest tree builder with a callback for subtree construction
GraphViz::Traverse(3): Build a GraphViz object via callback traversal
HTML::FormFu::Constraint::Callback(3): Code Callback Constraint
HTML::FormFu::Constraint::CallbackOnce(3): Code Callback Constraint
HTML::FormFu::Deflator::Callback(3): Callback deflator
HTML::FormFu::Filter::Callback(3): filter with custom subroutine
HTML::FormFu::Inflator::Callback(3): Callback inflator
HTML::FormFu::Transformer::Callback(3): Callback transformer
HTML::FormFu::Validator::Callback(3): Callback validator
HTTP::WebTest::Plugin::Hooks(3): Provides callbacks called during test run
IO::Async::Handle(3), "IO::Async::Handle"(3): event callbacks for a non-blocking file descriptor
IO::Async::PID(3), "IO::Async::PID"(3): event callback on exit of a child process
IO::Async::Signal(3), "IO::Async::Signal"(3): event callback on receipt of a POSIX signal
IO::Async::Socket(3), "IO::Async::Socket"(3): event callbacks and send buffering for a socket filehandle
IO::Async::Stream(3), "IO::Async::Stream"(3): event callbacks and write bufering for a stream filehandle
IO::Async::Timer::Absolute(3), "IO::Async::Timer::Absolute"(3): event callback at a fixed future time
IO::Async::Timer::Countdown(3), "IO::Async::Timer::Countdown"(3): event callback after a fixed delay
IO::Async::Timer::Periodic(3), "IO::Async::Timer::Periodic"(3): event callback at regular intervals
IO::Callback(3): Emulate file interface for a code reference
IO::Event(3): Tied Filehandles for Nonblocking IO with Object Callbacks
IO::Event::Callback(3), IO::Event::Callback(3): A closure based API for IO::Event
IO::Handle::Prototype(3): base class for callback based handles
IO::Handle::Prototype::Fallback(3): Create IO::Handle like objects using a set of callbacks
Inline::Java::Callback(3): Callback into Perl from Java
Input::Validator::Constraint::Callback(3): Callback constraint
Log::Agent::Tag::Callback(3): a dynamic tag string
Log::Any::Adapter::Callback(3): (DEPRECATED) Send Log::Any logs to a subroutine
Log::Report::Dispatcher::Callback(3): call a code-ref for each log-line
MasonX::Interp::WithCallbacks(3): Mason callback support via Params::CallbackRequest
Memcached::libmemcached::memcached_callback(3), memcached_callback_get(3), memcached_callback_set(3): Get and set a callback
Memcached::libmemcached::memcached_sasl(3), memcached_set_sasl_callbacks(3), memcached_get_sasl_callbacks(3), memcached_sasl_set_auth_data(3), memcached_destroy_sasl_auth_data(3): SASL support
Mojo::RabbitMQ::Client::LocalQueue(3): Callback queue
Net::DBus::Callback(3): a callback for receiving reactor events
Net::OSCAR::Callbacks(3): -- Process responses from OSCAR server
Net::OSCAR::ServerCallbacks(3): -- Process responses from OSCAR client
Net::SIP::Dropper(3): drops SIP messages based on callback
Object::Event(3): A class that provides an event callback interface
POE::Callback(3): object wrapper for callbacks with lexical closures
POE::Session::MultiDispatch(3): Callback dispatch for session events
Params::Callback(3): Parameter callback base class
Params::CallbackRequest(3): Functional and object-oriented callback architecture
Params::CallbackRequest::Exceptions(3): Parameter callback exception definitions
Plack::Middleware::JSONP(3): Wraps JSON response in JSONP if callback parameter is specified
Plack::Middleware::Reproxy::Callback(3): Use A Callback
Reflex::Callback(3): Generic callback adapters to simplify calling back
Reflex::Callback::CodeRef(3): Callback adapter for plain code references
Reflex::Callback::Method(3): Callback adapter for class and object methods
Reflex::Callback::Promise(3): Non-callback, inline Promise adapter
Reflex::Callbacks(3): Convenience functions for creating and using callbacks
Reflex::Interval(3): A stand-alone multi-shot periodic callback
Reflex::Role::Timeout(3): set a wakeup callback for a relative delay
Reflex::Role::Wakeup(3): set a wakeup callback for a particular UNIX time
Reflex::Signal(3): receive callbacks when signals arrive
Reflex::Timeout(3): A stand-alone single-shot delayed callback
Reflex::Wakeup(3): A stand-alone single-shot callback at an absolute time
Schedule::Load::Safe(3): Evaluate callback in Safe container with caching
Sentinel(3), "Sentinel"(3): create lightweight SCALARs with get/set callbacks
Tk::FireButton(3): Button that keeps invoking callback when pressed
Tk::bind(3): Arrange for X events to invoke callbacks
Tk::callbacks(3): Specifying code for Tk to call
Tk::fileevent(3): Execute a callback when a filehandle becomes readable or writable
Ubic::Service::Common(3): common way to construct new service by specifying several callbacks
WWW::Mechanize::FormFiller::Value::Callback(3): Call Perl code to fill out a HTML form field
XML::LibXML::InputCallback(3): XML::LibXML Class for Input Callbacks
XML::Parser::Style::Subs(3): glue for handling element callbacks
csa_call_callbacks(3): force the invocation of the callback functions associated with the specified callback list(s)
csa_register_callback(3): register the callback functions to be invoked when the specified type of update occurs in the calendar
csa_unregister_callback(3): unregister the specified callback functions
ct_hooks(3): A callback interface on top of Common Test
diameter_app(3): Callback module of a Diameter application
httpd_custom_api(3): Behaviour with optional callbacks to customize the inets HTTP server
megaco_user(3): Callback module for users of the Megaco application
mnesia_frag_hash(3): Defines mnesia_frag_hash callback behavior
odfsearch(1): Text selection and copy from one document to another using callback
pods::SDLx::Controller::Interface(3), SDLx::Controller::Interface(3): Interface Physics and Rendering with the Controller with callbacks
ssh_file(3): Default callback module for the client's and server's database operations in the ssh application
tt_message_callback_add(3): register a callback function
tt_otype_opnum_callback_add(3): return a callback if two opnums are equal
tt_pattern_callback_add(3): register a message-matching callback function
tt_ptype_opnum_callback_add(3): return a callback if two opnums are equal
unix_telnet(3): Callback module for ct_telnet, for connecting to a Telnet server on a UNIX host

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