help me to count no of fields in a file

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sdp_delete_all_media_field

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

NAME

       sdp_delete_all_field, sdp_delete_all_media_field - delete all SDP fields

SYNOPSIS

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

       int sdp_delete_all_field(sdp_session_t *session,
	    const char field);

       int sdp_delete_all_media_field(sdp_media_t *media,
	    const char field);

DESCRIPTION

       The  sdp_delete_all_field() function deletes all the occurrences of the specified SDP field from the session structure. For example, if the
       session structure has 3 bandwidth (b=) fields, then when this function is called with SDP_BANDWIDTH_FIELD, all the three  bandwidth  fields
       are deleted from the session structure.

       The  sdp_delete_all_media_field()  function  deletes all the occurrences of the specified SDP field from the specified media structure. For
       example, if the caller wants to delete all the attribute fields in a media structure, calling this function with SDP_ATTRIBUTE_FIELD  argu-
       ment would delete all the attribute fields in the media structure.

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 session or media argument is NULL or the field type is unknown.

ATTRIBUTES

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

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

SEE ALSO

       libcommputil(3LIB), attributes(5)

SunOS 5.11							    12 Oct 2007 				  sdp_delete_all_field(3COMMPUTIL)

Shell Programming and Scripting