Advanced Programming in the UNIX® Environment: Second Edition

Appendix B. Miscellaneous Source Code

Our Header File

Most programs in the text include the header apue.h, shown in Figure B.1. It defines constants (such as MAXLINE) and prototypes for our own functions.

Example B.1. Our header: apue.h

 /* Our own header, to be included before all standard system headers */ #ifndef _APUE_H #define _APUE_H #define _XOPEN_SOURCE 600 /* Single UNIX Specification, Version 3 */ #include <sys/types.h> /* some systems still require this */ #include <sys/stat.h> #include <sys/termios.h> /* for winsize */ #ifndef TIOCGWINSZ #include <sys/ioctl.h> #endif #include <stdio.h> /* for convenience */ #include <stdlib.h> /* for convenience */ #include <stddef.h> /* for offsetof */ #include <string.h> /* for convenience */ #include ...