GETDTABLESIZE(2) MidnightBSD System Calls Manual GETDTABLESIZE(2)

NAME

getdtablesize — get descriptor table size

LIBRARY

Standard C Library (libc, −lc)

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 getdtablesize() system call returns the size of this table.

SEE ALSO

close(2), dup(2), open(2), select(2)

HISTORY

The getdtablesize() system call appeared in 4.2BSD.

MidnightBSD 0.3 June 4, 1993 MidnightBSD 0.3