sip_get_header_vaSessionPInitiation Protocol Librarysip_get_header_value(3SIP)NAME
sip_get_header_value, sip_get_next_value - get a SIP header value
SYNOPSIS
cc [ flag ... ] file ... -lsip [ library ... ]
#include <sip.h>
const struct sip_value *sip_get_header_value
(const struct sip_header *sip_header, int *error);
const struct sip_value *sip_get_next_value
(sip_header_value_t old_value, int *error);
DESCRIPTION
The sip_get_header_value() function returns the first valid value from
SIP header sip_header.
The sip_get_next_value() function returns the next valid value follow‐
ing the SIP value old_value.
RETURN VALUES
These functions return the queried value on success and NULL on fail‐
ure.
The value of errno is not changed by these calls in the event of an
error.
ERRORS
If the error is non-null, one of the following values is set:
EINVAL If any of the required input is NULL or if the specified SIP
header value is marked deleted.
EPROTO If the returned SIP header value is invalid (i.e. the parser
encountered errors when parsing the 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 │Stable │
├─────────────────────────────┼─────────────────────────────┤
│MT-Level │MT-Safe │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOlibsip(3SIP)SunOS 5.10 20 Mar 2007 sip_get_header_value(3SIP)
