编程学习网为您整理以下代码实例，主要实现：读取string，float和int值，希望可以帮到各位朋友。
#include <stdio.h>
#include <string.h> // for strlen() prototype
#define DENSITY 62.4 // human density in lbs per cu ft
int main()
{
float weight, volume;
int size, letters;
char name[40]; // name is an array of 40 chars
printf("What's your first name?\n");
scanf("%s", name);
printf("%s, what's your weight in pounds?\n", name);
scanf("%f", &weight);
size = sizeof name;
letters = strlen(name);
volume = weight / DENSITY;
printf("Well, %s, your volume is %2.2f cubic feet.\n", name, volume);
printf("Also, your first name has %d letters,\n", letters);
printf("and we have %d bytes to store it.\n", size);
return 0;
}
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