ref: 27b4662757e3d9a500b69a96057cef8fdeacca99 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