/*
 * Program to display internal representation of floating-point number.
 */
#include <stdio.h>
#include <stdlib.h>

typedef union {
    float f;
    int i;
} float_or_int;

int main(void) {

    float_or_int f;
    printf("enter a floating-point number:\n");
    if (scanf("%f", &f.f) != 1) {
        printf("error -- not numeric\n");
        return EXIT_FAILURE;
    }
    printf("%g is represented as %x\n", f.f, f.i);
    return EXIT_SUCCESS;
}