diff --git a/libc/include/fnmatch.h b/libc/include/fnmatch.h
index 1a5348b..3fcc665 100644
--- a/libc/include/fnmatch.h
+++ b/libc/include/fnmatch.h
@@ -25,6 +25,7 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
+
 #ifndef _FNMATCH_H
 #define _FNMATCH_H
 
@@ -44,8 +45,8 @@
 #define FNM_IGNORECASE   FNM_CASEFOLD
 #define FNM_FILE_NAME    FNM_PATHNAME
 
-int fnmatch(const char* pattern, const char* string, int flags);
+int fnmatch(const char* __pattern, const char* __string, int __flags);
 
 __END_DECLS
 
-#endif /* _FNMATCH_H */
+#endif