虽然没有错误但是运行不了
#include<stdio.h>
 void     main()
{
    char *str1,*str2;
    char *p,*q;
    printf("请输入字符串1:\n");
        gets(str1);
    printf("请输入字符串2:\n");
    gets(str2);
    p=str1;
    q=str2;
    if(*p!=*q)
        printf("两个字符串相等");
    else
    {
        while ((*p==*q)&&(*p!='\0')&&(*q!='\0'))
        {
            p++;
            q++;
        }
        if((*p=='\0')&&(*q=='\0'))
            printf("两个字符串相等");
        else
            printf("两个字符串不相等");
    }
}
D:\新建文件夹\Microsoft Visual Studio\MyProjects\字符比较\字符.cpp(7) : warning C4700: local variable 'str1' used without having been initialized
D:\新建文件夹\Microsoft Visual Studio\MyProjects\字符比较\字符.cpp(9) : warning C4700: local variable 'str2' used without having been initialized