Query: sdp_find_attribute
OS: opensolaris
Section: 3commput
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
sdp_find_attribute(3COMMPUTIL) Communication Protocol Parser Utilities Library Functions sdp_find_attribute(3COMMPUTIL)NAMEsdp_find_attribute - find the attribute from the attribute listSYNOPSIScc [ flag...] file... -lcommputil [ library...] #include <sdp.h> sdp_attr_t *sdp_find_attribute(sdp_attr_t *attr, const char *name);DESCRIPTIONThe sdp_find_attribute() function searches the attribute list attr for the specified attribute name. If the attribute is found it returns the pointer to that attribute. Otherwise it returns NULL.RETURN VALUESThe sdp_find_attribute() function returns the attribute (sdp_attr_t *) on success and NULL when the search fails or when mandatory input parameters are NULL.EXAMPLESExample 1 An (incomplete) SDP description that contains one media section: audio. m=audio 49170 RTP/AVP 0 8 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=sendonly a=ptime:10000 a=maxptime:20000 /* * Assuming that above description is parsed using sdp_parse and that * the parsed structure is in "session" sdp_session_t structure. */ sdp_attr_t *ptime; sdp_attr_t *max_ptime; sdp_media_t *media = session->s_media; if ((ptime = sdp_find_attribute(media->m_attr, "ptime")) == NULL) /* ptime attribute not present */ else if((max_ptime = sdp_find_attribute(media->m_attr, "maxptime")) == NULL) /* max_ptime attribute not present */ATTRIBUTESSee attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+SEE ALSOlibcommputil(3LIB), sdp_parse(3COMMPUTIL), attributes(5) SunOS 5.11 12 Oct 2007 sdp_find_attribute(3COMMPUTIL)
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