--- /dev/null
+// ----------------------------------------------------------------------------
+// $Id$
+// ----------------------------------------------------------------------------
+// Public Domain C Library - http://pdclib.sourceforge.net
+// This code is Public Domain. Use, modify, and redistribute at will.
+// ----------------------------------------------------------------------------
+
+// ----------------------------------------------------------------------------
+// C++
+
+const char * strpbrk( const char * s1, const char * s2 ) { /* TODO */ };
+char * strpbrk( char * s1, const char * s2 ) { /* TODO */ };
+
+// ----------------------------------------------------------------------------
+// Standard C
+
+char * strpbrk( const char *s1, const char * s2 ) { /* TODO */ };