ref: 49dd90117de0e425438c060e8b492bbb6dbb5118 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