#include <stdio.h>
int main(void){
    float f1=1.0;
    float f2=1.5;
    double d1=1.0;
    double d2=1.5;
    long double ld1=1.0;
    long double ld1=1.5;
    printf("float(1.0)=%08x\n",*(int*)(&f1));
    printf("float(1.5)=%08x\n",*(int*)(&f1));
    printf("double(1.0)=%01611x\n",*(long long*)(&d1));
    printf("double(1.5)=%01611x\n",*(long long*)(&d2));
    printf("londou(1.0)=%lfx %lfx %lfx\n",
    *(((int*)(&ld1))+2),
    *(((int*)(&ld1))+1),
    *(((int*)(&ld1))));
    printf("loubou(1.5)=%lfx %lfx %lfx\n"
    *(((int)(&ld2))+2),
    *(((int)(&ld2))+1),
    *(((int)(&ld2))));
    return 0;
} 错误是8    14    C:\Users\Administrator\Desktop\未命名9.c    [Error] redefinition of 'ld1'
7    14    C:\Users\Administrator\Desktop\未命名9.c    [Note] previous definition of 'ld1' was here


   我明明在7-8里面声明了，但怎么还要我声明啊？