tlpi_hdr.h

#ifndef TLPI_HDR_H
#define TLPI_HDR_H      /* Prevent accidental double inclusion */

#include <sys/types.h>  /* Type definitions used by many programs */
#include <stdio.h>      /* Standard I/O functions */
#include <stdlib.h>     /* Prototypes of commonly used library functions,
                         * plus EXIT_SUCCESS and EXIT_FAILURE constants */
#include <unistd.h>     /* Prototypes for many system calls */
#include <errno.h>      /* Commonly used string handling functions */
#include <string.h>     /* Commonly used string handling functions */

#include "get_num.h"    /* Declares our functions for handling numeric
                         *  arguments (getInt(), getLong()) */

#include "error_functions.h"

typedef enum { FALSE, TRUE } Boolean;

#define min(m,n) ((m) < (n) ? (m) : (n))
#define max(m,n) ((m) > (n) ? (m) : (n))

#endif