for learn unix api
- Q1 : \share\apue.3e\threads\Makefile
/usr/bin/ld: cannot find -lbsd apt-cache search libbsd apt-get install libbsd-dev
- Q2 : \share\apue.3e\advio\Makefile
./fixup.awk rot13a.c >xlate /bin/sh: 1: ./fixup.awk: Permission denied make[1]: *** [rot13c2.c] Error 126 rot13c2.c: rot13c2.c.in $(LIBAPUE) sudo chmod 777 fixup.awk