X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fwctype%2Fiswalpha.c;fp=functions%2Fwctype%2Fiswalpha.c;h=93409c34b4e36a500094500fa907a9cea08914c4;hb=413652866bccc24177217e63e38ed1f8932e6d24;hp=0000000000000000000000000000000000000000;hpb=17723aaba8dc3144b3b3699660714d34d71c3cd1;p=pdclib.old

diff --git a/functions/wctype/iswalpha.c b/functions/wctype/iswalpha.c
new file mode 100644
index 0000000..93409c3
--- /dev/null
+++ b/functions/wctype/iswalpha.c
@@ -0,0 +1,30 @@
+/* iswalpha( wint_t )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <wctype.h>
+#ifndef REGTEST
+#include <_PDCLIB_locale.h>
+
+int iswalpha( wint_t wc )
+{
+    return iswctype( wc, _PDCLIB_CTYPE_ALPHA );
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    TESTCASE(iswalpha(L'a'));
+    TESTCASE(iswalpha(L'z'));
+    TESTCASE(iswalpha(L'E'));
+    TESTCASE(!iswalpha(L'3'));
+    TESTCASE(!iswalpha(L';'));
+    return TEST_RESULTS;
+}
+#endif