Forgot parameter type.

diff --git a/includes/ctype.h b/includes/ctype.h
index a4ac53449bfd52e529860d95358dbe24ccf7d24e..adf5ce2b657ba09b2df5d5968892d9b544b88348 100644 (file)
--- a/includes/ctype.h
+++ b/includes/ctype.h
@@ -83,11 +83,11 @@ int isxdigit( int c );
 /* Converts an uppercase letter to a corresponding lowercase letter. Input that
    is not an uppercase letter remains unchanged.
 */
-int tolower( c );
+int tolower( int c );
 
 /* Converts a lowercase letter to a corresponding uppercase letter. Input that
    is not a lowercase letter remains unchanged.
 */
-int toupper( c );
+int toupper( int c );
 
 #endif