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intro(2)                  FreeBSD System Calls Manual                 intro(2)

NAME
       intro - introduction to system calls

DESCRIPTION
       This section describes all of the system calls.  All of these calls
       return a function result.  This result indicates the status of the
       call.  Typically, a zero or positive result indicates that the call
       completed successfully, and -1 indicates an error.  The individual
       descriptions specify the details.  An error number is also made
       available in the external variable (see errno(2)).  Note: is not
       cleared on successful calls.  Therefore, it should be tested only after
       an error has been indicated.

SEE ALSO
       intro(3), errno(2), hier(5), introduction(9).

       Web access to HP-UX documentation on

                                                                      intro(2)

NAME | DESCRIPTION | SEE ALSO

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