1995-02-25 06:01:33 +03:00
|
|
|
.\" @(#)bindresvport.3n 2.2 88/08/02 4.0 RPCSRC; from 1.7 88/03/14 SMI
|
1997-07-01 10:28:22 +04:00
|
|
|
.\" $NetBSD: bindresvport.3,v 1.3 1997/07/01 06:28:22 mikel Exp $
|
1993-10-07 10:29:33 +03:00
|
|
|
.\"
|
|
|
|
|
.Dd November 22, 1987
|
|
|
|
|
.Dt BINDRESVPORT 3
|
|
|
|
|
.Os
|
|
|
|
|
.Sh NAME
|
|
|
|
|
.Nm bindresvport
|
|
|
|
|
.Nd bind a socket to a privileged IP port
|
|
|
|
|
.Sh SYNOPSIS
|
|
|
|
|
.Fd #include <sys/types.h>
|
1997-07-01 10:28:22 +04:00
|
|
|
.Fd #include <netinet/in.h>
|
1993-10-07 10:29:33 +03:00
|
|
|
.Ft int
|
|
|
|
|
.Fn bindresvport "int sd" "struct sockaddr_in **sin"
|
|
|
|
|
.Sh DESCRIPTION
|
|
|
|
|
.Fn bindresvport
|
|
|
|
|
is used to bind a socket descriptor to a privileged
|
|
|
|
|
.Tn IP
|
|
|
|
|
port, that is, a
|
|
|
|
|
port number in the range 0-1023.
|
|
|
|
|
The routine returns 0 if it is successful,
|
|
|
|
|
otherwise -1 is returned and
|
|
|
|
|
.Va errno
|
|
|
|
|
set to reflect the cause of the error.
|
|
|
|
|
.Pp
|
|
|
|
|
Only root can bind to a privileged port; this call will fail for any
|
|
|
|
|
other users.
|
