#include <iostream>
using namespace std;
// 自己实现strchr函数
char * Strchr(char to[], char Ch);
int main()
{
char to[30], ch, *p;
cout << "请输入字符串：";
cin >> to;
cout << "请输入一个字符：";
cin >> ch;
p = Strchr(to, ch);
if (p != NULL)
cout << "第一个开始匹配后的字符串是：" << p << endl << "在数组的第【" << p - to + 1 << "】个位置" << endl;
else
cout << "没有匹配的字符！" << endl;
system("pause");
return 0;
}
char * Strchr(char to[], char Ch)
{
int i = 0;
while (to[i] != Ch && to[i] != ‘\0‘)
i++;
return to[i] != ‘\0‘ ? to + i : NULL;
}自己实现strchr函数
原文：http://blog.csdn.net/fantasydreams/article/details/41506023
