Comment cleanups.

[pdclib] / functions / ctype / tolower.c

diff --git a/functions/ctype/tolower.c b/functions/ctype/tolower.c
index 28c435ded8377d125f49ece8b5a8c8b2767007d4..55d33cff9c6b44d45aeb8c49f75e89b692487c29 100644 (file)
--- a/functions/ctype/tolower.c
+++ b/functions/ctype/tolower.c
@@ -1,5 +1,3 @@
-/* $Id$ */
-
 /* tolower( int )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -10,13 +8,11 @@
 
 #ifndef REGTEST
 
+#include <locale.h>
+
 int tolower( int c )
 {
-    if ( ( c >= 'A' ) && ( c <= 'Z' ) )
-    {
-        c += ( 'a' - 'A' );
-    }
-    return c;
+    return _PDCLIB_lconv.ctype[c].lower;
 }
 
 #endif