Skip site navigation (1)Skip section navigation (2)

FreeBSD Manual Pages

  
 
  

home | help
FETCH(9)               FreeBSD Kernel Developer's Manual              FETCH(9)

NAME
     fetch, fubyte, fusword, fuswintr, fuword -- fetch data from user-space

SYNOPSIS
     #include <sys/types.h>
     #include <sys/time.h>
     #include <sys/systm.h>
     #include <sys/resourcevar.h>

     int
     fubyte(const void *base);

     int
     fusword(void *base);

     int
     fuswintr(void *base);

     long
     fuword(const void *base);

DESCRIPTION
     The fetch functions are designed to copy small amounts of data from user-
     space.

     The fetch routines provide the following functionality:

     fubyte()    Fetches a byte of data from the user-space address base.

     fusword()   Fetches a short word of data from the user-space address
                 base.

     fuswintr()  Fetches a short word of data from the user-space address
                 base.  This function is safe to call during an interrupt con-
                 text.

     fuword()    Fetches a word of data from the user-space address base.

RETURN VALUES
     The fetch functions return the data fetched or -1 on failure.

SEE ALSO
     copy(9), store(9)

FreeBSD 6.2                     January 7, 1996                    FreeBSD 6.2

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO

Want to link to this manual page? Use this URL:
<https://www.freebsd.org/cgi/man.cgi?query=fuword&sektion=9&manpath=FreeBSD+6.2-RELEASE>

home | help