char *rindex __P((const char *, int));
int scanc __P((u_int, u_char *, u_char *, int));
int skpc __P((int, int, char *));
-char *strcat __P((char *, const char *));
-int strcmp __P((const char *, const char *));
-char *strcpy __P((char *, const char *));
-size_t strlen __P((const char *));
-int strncmp __P((const char *, const char *, size_t));
-char *strncpy __P((char *, const char *, size_t));
+