@@ -226,18 +226,18 @@
  *	  specified tag.
  *
  * @param extraField The extra field to search for an extensible data field with
  *		     the specified tag
  * @param tag The tag to look for
- * @param data A pointer to a pointer that should be set to the start of the
- *	       extra field with the specified tag
  * @param size A pointer to an uint16_t that should be set to the size
+ * @return The index at which the extra field content starts in the OFData, or
+ *	   OF_NOT_FOUND
  */
-extern void of_zip_archive_entry_extra_field_find(OFData *extraField,
-    uint16_t tag, const uint8_t *_Nonnull *_Nonnull data, uint16_t *size);
+extern size_t of_zip_archive_entry_extra_field_find(OFData *extraField,
+    uint16_t tag, uint16_t *size);
 #ifdef __cplusplus
 }
 #endif
 
 OF_ASSUME_NONNULL_END
 
 #import "OFMutableZIPArchiveEntry.h"