ref: 840c98a16e5c6ce962d3a7d4c01c27a51dad2e23 dir: /libc/src/sys/amd64-sysv-linux/syscall.awk/
/^#/ {next} {name=$2 ".s" printf "%s:\n\tmov\t%d,%%rax\n\tsyscall\n\tret\n",$2, $1 > name close(name)}