id_string         974 ext/exif/exif.c 	char *           id_string;
id_string        2721 ext/exif/exif.c 		if (maker_note->id_string && strncmp(maker_note->id_string, value_ptr, maker_note->id_string_len))
id_string          41 ext/xmlrpc/libxmlrpc/encodings.h #define utf8_get_encoding_id_from_string(id_string) ((ENCODING_ID)id_string)