--- /dev/null
+// ----------------------------------------------------------------------------
+// $Id$
+// ----------------------------------------------------------------------------
+// Public Domain C Library - http://pdclib.sourceforge.net
+// This code is Public Domain. Use, modify, and redistribute at will.
+// ----------------------------------------------------------------------------
+
+int iswalnum( wint_t c ) { /* TODO */ };
+int iswalpha( wint_t c ) { /* TODO */ };
+int iswblank( wint_t c ) { /* TODO */ };
+int iswcntrl( wint_t c ) { /* TODO */ };
+int iswctype( wint_t c, wctype_t category ) { /* TODO */ };
+int iswdigit( wint_t c ) { /* TODO */ };
+int iswgraph( wint_t c ) { /* TODO */ };
+int iswlower( wint_t c ) { /* TODO */ };
+int iswprint( wint_t c ) { /* TODO */ };
+int iswpunct( wint_t c ) { /* TODO */ };
+int iswspace( wint_t c ) { /* TODO */ };
+int iswupper( wint_t c ) { /* TODO */ };
+int iswxdigit( wint_t c ) { /* TODO */ };
+
+wint_t towctrans( wint_t c, wctrans_t category ) { /* TODO */ };
+wint_t towlower( wint_t c ) { /* TODO */ };
+wint_t towupper( wint_t c ) { /* TODO */ };
+
+wctrans_t wctrans( const char * property ) { /* TODO */ };
+wctype_t wctype( const char * property ) { /* TODO */ };