X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fctype%2Fisalpha.c;h=ce05b76d87aef120e2cb431d46ed9903dd1bb9ce;hp=9dad397ea44798a7788932a6ec1a73ee60e56b8a;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=31bc073732a9303dd6f4813f0408cb2b9fcd0add

diff --git a/functions/ctype/isalpha.c b/functions/ctype/isalpha.c
index 9dad397..ce05b76 100644
--- a/functions/ctype/isalpha.c
+++ b/functions/ctype/isalpha.c
@@ -1,5 +1,3 @@
-/* $Id$ */
-
 /* isalpha( int )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -9,18 +7,17 @@
 #include <ctype.h>
 
 #ifndef REGTEST
-
-#include <locale.h>
+#include "_PDCLIB_locale.h"
 
 int isalpha( int c )
 {
-    return ( _PDCLIB_lconv.ctype[c].flags & _PDCLIB_CTYPE_ALPHA );
+    return ( _PDCLIB_threadlocale()->_CType[c].flags & _PDCLIB_CTYPE_ALPHA );
 }
 
 #endif
 
 #ifdef TEST
-#include <_PDCLIB_test.h>
+#include "_PDCLIB_test.h"
 
 int main( void )
 {