sdp_find_attribute(3commput) [opensolaris man page]

sdp_find_attribute(3COMMPUTIL)		     Communication Protocol Parser Utilities Library Functions		    sdp_find_attribute(3COMMPUTIL)

NAME

       sdp_find_attribute - find the attribute from the attribute list

SYNOPSIS

       cc [ flag...] file... -lcommputil [ library...]
       #include <sdp.h>

       sdp_attr_t *sdp_find_attribute(sdp_attr_t *attr, const char *name);

DESCRIPTION

       The  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 VALUES

       The 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.

EXAMPLES

       Example 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 */

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Committed 		   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       libcommputil(3LIB), sdp_parse(3COMMPUTIL), attributes(5)

SunOS 5.11							    12 Oct 2007 				    sdp_find_attribute(3COMMPUTIL)

sdp_delete_media(3COMMPUTIL)		     Communication Protocol Parser Utilities Library Functions		      sdp_delete_media(3COMMPUTIL)

NAME

       sdp_delete_media, sdp_delete_attribute - delete the specified media or attribute from the appropriate list

SYNOPSIS

       cc [ flag...] file... -lcommputil [ library...]
       #include <sdp.h>

       int sdp_delete_media(sdp_media_t **l_media, sdp_media_t *media);

       int sdp_delete_attribute(sdp_attr_t **l_attr, sdp_attr_t *attr);

DESCRIPTION

       The  sdp_delete_media()	function  deletes  the specified media from the media list. It is similar to deleting a node in a linked list. The
       function first finds  the  media  that  needs  to  be  deleted  using  sdp_find_media(3COMMPUTIL).  The	found  media  is  then	passed	to
       sdp_delete_media() to delete it. The function frees the memory allocated to media structure after deleting it.

       The  sdp_delete_attribute()  function deletes the specified attribute from the attribute list. It is similar to deleting a node in a linked
       list. The function first finds the attribute that needs to be deleted using sdp_find_media_rtpmap(3COMMPUTIL) or  sdp_find_attribute(3COMM-
       PUTIL).	The  found  attribute  is then passed to sdp_delete_attribute() to delete it. The function frees the memory allocated to attribute
       structure after deleting it.

RETURN VALUES

       Upon successful completion, these functions return 0. Otherwise, the appropriate error value is returned. The value of errno is not changed
       by these calls in the event of an error.

ERRORS

       These functions will fail if:

       EINVAL	 The mandatory input parameters are not provided or are NULL.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Committed 		   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       libcommputil(3LIB), sdp_find_attribute(3COMMPUTIL), sdp_find_media(3COMMPUTIL), sdp_find_media_rtpmap(3COMMPUTIL), attributes(5)

SunOS 5.11							    12 Oct 2007 				      sdp_delete_media(3COMMPUTIL)