Study of Advanced Programming in the Unix Environment

##Configurations##

• Down the src code from APUE
• Init a dir APUE and add the /apue/include/apue.h and /apue/lib/error.c
• Edit the /apue/include/apue.h, add the line before the last line as follow :

#include "error.c"
#endif	/* _APUE_H */