C语言 连续输入三个字符串,在第一个字符串中查找第二个字符串,如果存在...答:include <stdio.h>#include <string.h>int main(int argc,char *argv[]){ char a[300],b[50],c[50],t[300],*pt; int lb; printf("Input 3 strings...\n"); scanf("%100s%50s%50s",a,b,c); lb=strlen(b); while(pt=strstr(a,b)){ strcpy(t,pt+l...