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Command: getdtablesize | Section: 3 | Source: OpenBSD | File: getdtablesize.3
GETDTABLESIZE(3) FreeBSD Library Functions Manual GETDTABLESIZE(3)
NAME
getdtablesize - get descriptor table size
SYNOPSIS
#include <unistd.h>
int
getdtablesize(void);
DESCRIPTION
Each process has a fixed size descriptor table, which is guaranteed to
have at least 20 slots. The entries in the descriptor table are numbered
with small integers starting at 0. The call getdtablesize() returns the
size of this table.
SEE ALSO
close(2), dup(2), getdtablecount(2), getrlimit(2), open(2), select(2),
setrlimit(2), sysctl(2), sysconf(3)
HISTORY
The getdtablesize() function call appeared in 4.2BSD.
FreeBSD 14.1-RELEASE-p8 July 17, 2022 FreeBSD 14.1-RELEASE-p8