ref: 8bc4aa2b74a8fd2caaa27f14e09dc7bb45296ac7 dir: /lib/c/target/amd64-sysv-openbsd/syscall.lst/
#number name 1 _Exit 3 _read 4 _write 5 _open 6 _close 17 _brk 20 _getpid 37 _kill 46 _sigaction 199 _lseek