[unix-history] / usr / src / lib / libc / sys / getdtablesize.2

.\" Copyright (c) 1983 Regents of the University of California.
.\" All rights reserved.  The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\"
.\"	@(#)getdtablesize.2	6.2 (Berkeley) %G%
.\"
.TH GETDTABLESIZE 2 ""
.UC 5
.SH NAME
getdtablesize \- get descriptor table size
.SH SYNOPSIS
.nf
.ft B
nfds = getdtablesize()
int nfds;
.fi
.SH 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
.I getdtablesize
returns the size of this table.
.SH "SEE ALSO"
close(2), dup(2), open(2), select(2)
Commit	Line	Data
e8e12bf1 KM	1	.\" Copyright (c) 1983 Regents of the University of California.
	2	.\" All rights reserved. The Berkeley software License Agreement
	3	.\" specifies the terms and conditions for redistribution.
	4	.\"
198548ab	5	.\" @(#)getdtablesize.2 6.2 (Berkeley) %G%
e8e12bf1	6	.\"
9c46b178	7	.TH GETDTABLESIZE 2 ""
e8e12bf1 KM	8	.UC 5
	9	.SH NAME
	10	getdtablesize \- get descriptor table size
	11	.SH SYNOPSIS
	12	.nf
	13	.ft B
9c46b178 KM	14	nfds = getdtablesize()
9c46b178 KM	15	int nfds;
e8e12bf1 KM	16	.fi
e8e12bf1 KM	17	.SH DESCRIPTION
198548ab	18	Each process has a fixed size descriptor table,
e8e12bf1 KM	19	which is guaranteed to have at least 20 slots. The entries in
	20	the descriptor table are numbered with small integers starting at 0.
	21	The call
	22	.I getdtablesize
	23	returns the size of this table.
	24	.SH "SEE ALSO"
9c46b178	25	close(2), dup(2), open(2), select(2)