void *mmap(void *, size_t, int, int, int, int);
int munmap(void *, size_t);
char *strtok_r(char *s, const char *delim, char **save_ptr);
void *mmap(void *, size_t, int, int, int, int);
int munmap(void *, size_t);
char *strtok_r(char *s, const char *delim, char **save_ptr);