vorbis_comment_query_count

declared in "vorbis/codec.h";

This function determines the number of comments with a given tag that are present in a vorbis_comment structure.

extern int      vorbis_comment_query_count(vorbis_comment *vc, const char *tag);

Parameters

vc

Pointer to the vorbis_comment structure.

tag

Pointer to a null-terminated string of the comment tag to look for. Tags are compared case-insensitively.

Return Values

The number of comments present with the given tag.

0 if no such comments are present.