Learn C the Hard Way: A Clear & Direct Introduction To Modern C Programming

Exercise 24. Input, Output, Files

You’ve been using printf to print things, and that’s great and all, but you need more. In this exercise, you’ll be using the functions fscanf and fgets to build information about a person in a structure. After this simple introduction about reading input, you’ll get a full list of the functions that C has for I/O. Some of these you’ve already seen and used, so this will be another memorization exercise.

ex24.c

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  1   #include <stdio.h>   2   #include "dbg.h"   3   4   #define MAX_DATA 100   5   6   typedef enum EyeColor {   7       BLUE_EYES, GREEN_EYES, BROWN_EYES,   8       BLACK_EYES, OTHER_EYES   9   } EyeColor;  10  11   const char *EYE_COLOR_NAMES[] = {  12       "Blue",