自己实现strchr函数

#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;

}