scc

 1int _brk(void *);
 2void _exit(int);
 3int _close(int);
 4int _open(const char *, int, int);
 5int _read(int, void *, size_t);
 6int _unlink(const char *);
 7int _write(int, void *, size_t);
 8int _access(const char *, int);
 9long _lseek(int, long, int);
10int _rename(const char *, const char *);