《C程序设计语言》读书笔记20091106
书中有几个问题有点模糊。记录一下。
Answer to Exercise 1-7
Write a program to print the value of EOF .
#include <stdio.h>
int main(void)
{
printf("The value of EOF is %d\n\n", EOF);
return 0;
}
EOF在stdio.h中的定义为#define EOF (-1)
其中（）被忽略，只使用-1。
相关文档：
源码:
# include <stdio.h>
int main()
{
int num;
/* 下面定义的各变量，分别代表个位，十位，百位，千位，万位，十万位以及位数 */
int indiv, ten, hundred, thousand;
int ten_thousand, hundred_thous ......
源码：
# include <stdio.h>
int main( )
{
int radius;
double area;
for(radius = 1; radius <= 10 ; radius++)
{
area = 3.1416 * radius * radius;
......
源码：
# include <stdlib.h>
# include <stdio.h>
int main()
{
int month;
int day;
printf("please input the month number: ");
scanf("%d", &mo ......
源码：
# include <stdio.h>
void swap(int *x, int *y);
int main()
{
int i, j;
i = 12;
j = 36;
printf("i and j before swapping: %d %d\n", i, j);
&nbs ......
