1994-08-07 18:36:12 +00:00
|
|
|
.\" @(#)bindresvport.3n 2.2 88/08/02 4.0 RPCSRC; from 1.7 88/03/14 SMI
|
1996-02-12 00:02:42 +00:00
|
|
|
.TH BINDRESVPORT 3 "22 november 1987"
|
1994-08-07 18:36:12 +00:00
|
|
|
.SH NAME
|
|
|
|
|
bindresvport \- bind a socket to a privileged IP port
|
|
|
|
|
.SH SYNOPSIS
|
|
|
|
|
.nf
|
|
|
|
|
.B #include <sys/types.h>
|
|
|
|
|
.B #include <netinet/in.h>
|
|
|
|
|
.LP
|
|
|
|
|
.B int bindresvport(sd, sin)
|
|
|
|
|
.B int sd;
|
|
|
|
|
.B struct sockaddr_in \(**sin;
|
|
|
|
|
.fi
|
|
|
|
|
.SH DESCRIPTION
|
|
|
|
|
.LP
|
|
|
|
|
.B bindresvport(\|)
|
|
|
|
|
is used to bind a socket descriptor to a privileged
|
|
|
|
|
.SM 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
|
|
|
|
|
.B errno
|
|
|
|
|
set to reflect the cause of the error.
|
|
|
|
|
.LP
|
|
|
|
|
Only root can bind to a privileged port; this call will fail for any
|
|
|
|
|
other users.
|
