ref: 9fbfbfa441fb3354422e52928d7f3af02d1ea2ad dir: /lib/c/target/amd64-sysv-netbsd/syscall.mk/
SYSCALL = _Exit.o _read.o _write.o _open.o _close.o _brk.o _getpid.o _kill.o _sigaction.o _lseek.o