ref: c1b4b8354a76cc8c9aa13757e8b3db8d1b5a7c39 dir: /src/libc/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