closefrom man page on OpenBSD

closefrom man page on OpenBSD

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CLOSEFROM(2)		  OpenBSD Programmer's Manual		  CLOSEFROM(2)

NAME
     closefrom - delete many descriptors

SYNOPSIS
     #include <unistd.h>

     int
     closefrom(int fd);

DESCRIPTION
     The closefrom() call deletes all descriptors numbered fd and higher from
     the per-process file descriptor table.  It is effectively the same as
     calling close(2) on each descriptor.

RETURN VALUES
     Upon successful completion, a value of 0 is returned.  Otherwise, a value
     of -1 is returned and the global integer variable errno is set to
     indicate the error.

ERRORS
     closefrom() will fail if:

     [EBADF]	   fd is greater than all open file descriptors.

     [EINTR]	   An interrupt was received.

SEE ALSO
     close(2)

OpenBSD 4.9			 May 31, 2007			   OpenBSD 4.9

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