freebsd man page for closefrom

CLOSEFROM(2)						      BSD System Calls Manual						      CLOSEFROM(2)

NAME
     closefrom -- delete open file descriptors

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <unistd.h>

     void
     closefrom(int lowfd);

DESCRIPTION
     The closefrom() system call deletes all open file descriptors greater than or equal to lowfd from the per-process object reference table.
     Any errors encountered while closing file descriptors are ignored.

SEE ALSO
     close(2)

HISTORY
     The closefrom() function first appeared in FreeBSD 8.0.

BSD
								   June 12, 2009							       BSD