C语言_基础代码_01

#include<stdio.h>
#include<stdlib.h>
#define BUFFERSIZE 1024/*允许处理的最长行有1024个字符*/
/*编译环境vs2013*/
void main()
{
int a, b, sum;         /*将输入的两个数分别存储在变量a和b中，sum=a+b*/
char buffer[BUFFERSIZE];
printf("***********************************\n");
printf("*  Welcome to use our counter     *\n");
printf("*  Input two integers in one line *\n");
printf("*  The sum will be printed        *\n");
printf("*  Input the char '#' to quit     *\n");
printf("***********************************\n");
/*从标准输入（stdin）读取输入的数据，存储在buffer中.
如果读取的第一个字符是'#'则推出程序*/
while ((fgets(buffer, BUFFERSIZE, stdin) != NULL) && (buffer[0] != '#'))
{
if (sscanf_s(buffer, "%d %d", &a, &b) != 2)              /*处理存储在buffer中的一行数据*/
{
printf("The input is skipped:%s", buffer);/*如果输入的数字不是两个则报错*/
continue;                               /*继续读取下一组数据*/
}
sum = a + b;                                         /*计算a与b的和*/
printf("The sum of %d and %d is %d\n", a, b, sum);  /*输出计算结果*/
}
return;
}