2019独角兽企业重金招聘Python工程师标准>>> 
#include <stdio.h>
#include <string.h>
#include <stdlib.h>// 解析url，作为示例，很多情况没考虑，比如说user,pass之类的
int parse_url(char *url, char **serverstrp, int *portp, char **pathstrp)
{char buf[256];int serverlen, numread=0;// 跳过"http://" ，例"http://www.a.cn"->"www.a.cn"url = url+7;// 输入url直到遇到'/'和':'符号sscanf(url, "%255[^/:]", buf);serverlen = strlen(buf);*serverstrp = (char *)malloc(serverlen+1);strcpy(*serverstrp, buf);if(url[serverlen]==':'){// 获取portsscanf(&url[serverlen+1], "%d%n", portp, &numread);/* add one to go PAST it */numread++;}else{*portp = 80;}/* the path is a pointer into the rest of url */*pathstrp = &url[serverlen+numread];return 0;
}int main()
{char url[256] = "http://www.a.cn:80//index.html";char pathstr[256] = {'/0'};char szserverstrp[256] = {'/0'};char* serverstrp = szserverstrp;char* pathstrp = &pathstr[0];int port;parse_url(url,&serverstrp,&port,&pathstrp);printf("%s/n%s/n%d/n%s/n",url,serverstrp,port,pathstrp);return 0;
}
