ref: 4eaac6bfb11cc84259e8b418d4babffdf1c637eb dir: /lib/c/arch/amd64/netbsd/syscall.lst/
#number name 1 _Exit 3 _read 4 _write 5 _open 6 _close 17 _brk 20 _getpid 37 _kill 199 _lseek 418 _gettimeofday