#include<stdio.h> /*使用n=strlen(s)时加这个#include<string.h>*/ int main(void) { ];/*定义变量*/ int i, j, n, k; printf("请输入一串有重复字符的字符串:\n"); gets_s(s);/*输入字符串*/ ; s[n] != '\0'; n++); /*用于得到字符串长度,也可以使用n=strlen(s);*/ ; i < n ; i++) { ; j <
int main(void) { char string[15]; char *ptr, c = 's'; strcpy(string, "This is a string"); ptr = strchr(string, c); if (ptr) printf("The character %c is at position: %d\n", c, ptr-string); else printf("The character was not found\n