text: /* 
  ** Copyright 2001, Travis Geiselbrecht. All rights reserved.
  ** Distributed under the terms of the NewOS License.
  */
  
  #include <sys/types.h>
  #include <string.h>
  
  
  char *
  strpbrk(char const *cs, char const *ct)
  {
  	const char *sc1;
  	const char *sc2;
  
  	for (sc1 = cs; *sc1 != '\0'; ++sc1) {
  		for (sc2 = ct; *sc2 != '\0'; ++sc2) {
  			if (*sc1 == *sc2)
  				return (char *)sc1;
  		}
  	}
  
  	return NULL;
  }
  