extern char *strtok (char *, char *);
extern char *strupr (char *);
-extern void *memccpy(void *, void *, int, size_t);
+extern void *memccpy(void *, void *, char, size_t);
extern void *memchr(void *, char, size_t);
extern int memcmp (void *, void *, size_t);
extern void *memcpy (void *, void *, size_t);