-// ----------------------------------------------------------------------------
-// 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 */ };