ref: f35fcff7b5fef0b95079c09445b5e60659dc271e dir: /lib/c/target/amd64-sysv-openbsd/syscall.lst/
#number name 0 _read 1 _write 2 _open 3 _close 3 _lseek 12 _brk 13 _rt_sigaction 38 _getpid 60 _Exit 32 _kill 39 _getpid 62 _kill