ref: a2b6dcce1c7971f31ffe10c2029d26ed72e32dc8 dir: /src/libc/arch/amd64/dragonfly/syscall.lst/
#number name 1 _Exit 3 _read 4 _write 5 _open 6 _close 17 _brk 20 _getpid 37 _kill 199 _lseek