ref: 83c240a88a73f442b884cfa7bd7293d7f0f00a80 dir: /lib/c/target/amd64-sysv-linux/syscall.mk/
SYS = _read.o _write.o _open.o _close.o _lseek.o _brk.o _rt_sigaction.o _getpid.o _Exit.o _kill.o