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

.\" Copyright (c) 1983, 1991 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" %sccs.include.redist.man%
.\"
.\"     @(#)getdtablesize.2	6.5 (Berkeley) %G%
.\"
.Dd 
.Dt GETDTABLESIZE 2
.Os BSD 4.2
.Sh NAME
.Nm getdtablesize
.Nd get descriptor table size
.Sh SYNOPSIS
.Fd #include <unistd.h>
.Ft int
.Fn getdtablesize void
.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
.Fn getdtablesize
returns the size of this table.
.Sh SEE ALSO
.Xr close 2 ,
.Xr dup 2 ,
.Xr open 2 ,
.Xr select 2
.Sh HISTORY
The
.Nm
function call appeared in
.Bx 4.2 .
Commit	Line	Data
931b8415	1	.\" Copyright (c) 1983, 1991 The Regents of the University of California.
88b3ccf2	2	.\" All rights reserved.
e8e12bf1	3	.\"
91cff1e1	4	.\" %sccs.include.redist.man%
88b3ccf2	5	.\"
931b8415	6	.\" @(#)getdtablesize.2 6.5 (Berkeley) %G%
e8e12bf1	7	.\"
931b8415 CL	8	.Dd
	9	.Dt GETDTABLESIZE 2
	10	.Os BSD 4.2
	11	.Sh NAME
	12	.Nm getdtablesize
	13	.Nd get descriptor table size
	14	.Sh SYNOPSIS
	15	.Fd #include <unistd.h>
	16	.Ft int
	17	.Fn getdtablesize void
	18	.Sh DESCRIPTION
198548ab	19	Each process has a fixed size descriptor table,
e8e12bf1 KM	20	which is guaranteed to have at least 20 slots. The entries in
	21	the descriptor table are numbered with small integers starting at 0.
	22	The call
931b8415	23	.Fn getdtablesize
e8e12bf1	24	returns the size of this table.
931b8415 CL	25	.Sh SEE ALSO
	26	.Xr close 2 ,
	27	.Xr dup 2 ,
	28	.Xr open 2 ,
	29	.Xr select 2
	30	.Sh HISTORY
	31	The
	32	.Nm
	33	function call appeared in
	34	.Bx 4.2 .