每种数据类型的 大小

#include <stdio.h>
#include <string.h>
#include <math.h>

int main(){
    int i;
    float j;
    double k;
    unsigned l;
    long m;
    short n;
    long double o;
    char p;

    int a, b, c, d, e, f, g, h;

    a = sizeof(i);
    b = sizeof(j);
    c = sizeof(k);
    d = sizeof(l);
    e = sizeof(m);
    f = sizeof(n);
    g = sizeof(o);
    h = sizeof(p);

    printf("int: %d\n", a);
    printf("float: %d\n", b);
    printf("double: %d\n", c);
    printf("unsigned: %d\n", d);
    printf("long: %d\n", e);
    printf("short: %d\n", f);
    printf("long double: %d\n", g);
    printf("char: %d\n", h);
}