xref: /titanic_51/usr/src/man/man3sip/sip_msg_is_request.3sip (revision 45e662eb8429b38c18931ebeed30f2e5287ae51b)
te
Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved
The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
SIP_MSG_IS_REQUEST 3SIP "Jan 25, 2007"
NAME
sip_msg_is_request, sip_message_is_response - determine if the SIP message is a request or a response
SYNOPSIS

cc [ flag ... ] file ... -lsip [ library ... ]
#include <sip.h>

boolean_t sip_msg_is_request(const sip_msg_t sip_msg,
 int *error);

boolean_t sip_msg_is_response(const sip_msg_t sip_msg,
 int *error);
DESCRIPTION

The sip_msg_is_request() function returns B_TRUE if sip_msg is a request and B_FALSE otherwise.

The sip_msg_is_response() function returns B_TRUE if sip_msg is a response and B_FALSE otherwise.

RETURN VALUES

For functions that return an integer, the return value is the specified value on success and -1 on error.

The value of errno is not changed by these calls in the event of an error.

ERRORS

These functions take a pointer to an integer error as an argument. If the error is non-null, one of the following values is set: EINVAL

The input SIP message sip_msg or the header value is null; or the specified header/header value is deleted.

EPROTO

The header value is not present or invalid. The parser could not parse it correctly.

ENOMEM

There is an error allocating memory for the return value.

On success, the value of the location pointed to by error is set to 0.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Committed
MT-Level MT-Safe
SEE ALSO

libsip(3LIB)