ref: 1ce079ecedd0b95c5c367572b5872a78d2a309ba dir: /src/libc/arch/amd64/openbsd/syscall.lst/
#number name 1 _Exit 3 _read 4 _write 5 _open 6 _close 17 _brk 20 _getpid 46 _sigaction 122 _kill 198 _lseek