X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fctype%2Fisalpha.c;h=147fd5eb14e82b4ab59f991dcdacb5d6b2f897f6;hb=75bf0c22663cec60d8164c8cf77e855a8b6ad459;hp=9dad397ea44798a7788932a6ec1a73ee60e56b8a;hpb=31bc073732a9303dd6f4813f0408cb2b9fcd0add;p=pdclib

diff --git a/functions/ctype/isalpha.c b/functions/ctype/isalpha.c
index 9dad397..147fd5e 100644
--- a/functions/ctype/isalpha.c
+++ b/functions/ctype/isalpha.c
@@ -9,12 +9,11 @@
 #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