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strstr函数的使用

时间:2020-06-26 20:02:04      阅读:54      评论:0      收藏:0      [点我收藏+]
例://找出字符串中所有的is
//找出字符串中所有的is
#include <stdio.h>
#include <string.h>
int main(int argc, char const *argv[])
{
    char s[200] = "Work is like a capricious lover whose incessant demands are resented but who is missed terribly when she is not there."; 
// To survive in the new world of retail shopkeepers need large amounts of imagination and money."; char *p = strstr(s, "is"); //如果找到"is",返回‘i‘所在的地址 while (p) { printf("%s\n", p); p = strstr(p+2, "is"); //指针向下移,用p+1, p+2都行, } return 0; }

 

//找出字符串中所有的is,且只输出"is":

//找出字符串中所有的is,且只输出"is":
#include <stdio.h>
#include <string.h>
int main(int argc, char const *argv[])
{
    char s[200] = "Work is like a capricious lover whose incessant demands are resented but who is missed terribly when she is not there."; 
// To survive in the new world of retail shopkeepers need large amount of imagination and money."; char *p = strstr(s, "is"); //如果找到"is",返回‘i‘所在的地址 while (p) { char t = *(p+2); *(p+2) = 0; printf("%s#\n", p); *(p+2) = t; p = strstr(p+2, "is"); } return 0; }

 

 

//找出字符串中所有的is,且只输出"is"前面的内容:

//找出字符串中所有的is,且只输出"is"前面的内容:
#include <stdio.h>
#include <string.h>
int main(int argc, char const *argv[])
{
    char s[200] = "Work is like a capricious lover whose incessant demands are resented but who is missed terribly when she is not there."; 
// To survive in the new world of retail shopkeepers need large amount of imagination and money."; char *p = strstr(s, "is"); //如果找到"is",返回‘i‘所在的地址 while (p) { char t = *p; //临时存放下p所指的char *p = \0; //将p所指的char设成0 printf("%s#\n", s); *p = t; //再把原来的p所指的值换回来 p = strstr(p+2, "is"); } return 0; }

 

strstr函数的使用

原文:https://www.cnblogs.com/profesor/p/13195971.html

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