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

.\" Copyright (c) 1983 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms are permitted
.\" provided that the above copyright notice and this paragraph are
.\" duplicated in all such forms and that any documentation,
.\" advertising materials, and other materials related to such
.\" distribution and use acknowledge that the software was developed
.\" by the University of California, Berkeley.  The name of the
.\" University may not be used to endorse or promote products derived
.\" from this software without specific prior written permission.
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
.\"
.\"	@(#)getdtablesize.2	6.3 (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
88b3ccf2 KB	1	.\" Copyright (c) 1983 The Regents of the University of California.
88b3ccf2 KB	2	.\" All rights reserved.
e8e12bf1	3	.\"
88b3ccf2 KB	4	.\" Redistribution and use in source and binary forms are permitted
	5	.\" provided that the above copyright notice and this paragraph are
	6	.\" duplicated in all such forms and that any documentation,
	7	.\" advertising materials, and other materials related to such
	8	.\" distribution and use acknowledge that the software was developed
	9	.\" by the University of California, Berkeley. The name of the
	10	.\" University may not be used to endorse or promote products derived
	11	.\" from this software without specific prior written permission.
	12	.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	13	.\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	14	.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
	15	.\"
	16	.\" @(#)getdtablesize.2 6.3 (Berkeley) %G%
e8e12bf1	17	.\"
9c46b178	18	.TH GETDTABLESIZE 2 ""
e8e12bf1 KM	19	.UC 5
	20	.SH NAME
	21	getdtablesize \- get descriptor table size
	22	.SH SYNOPSIS
	23	.nf
	24	.ft B
9c46b178 KM	25	nfds = getdtablesize()
9c46b178 KM	26	int nfds;
e8e12bf1 KM	27	.fi
e8e12bf1 KM	28	.SH DESCRIPTION
198548ab	29	Each process has a fixed size descriptor table,
e8e12bf1 KM	30	which is guaranteed to have at least 20 slots. The entries in
	31	the descriptor table are numbered with small integers starting at 0.
	32	The call
	33	.I getdtablesize
	34	returns the size of this table.
	35	.SH "SEE ALSO"
9c46b178	36	close(2), dup(2), open(2), select(2)