cpp/CPrimerPlus6E/Ch04/input.c

// input.c -- when to use &
#include <stdio.h>
int main(void)
{
    int age;             // variable
    float assets;        // variable
    char pet[30];        // string
    
    printf("Enter your age, assets, and favorite pet.\n");
    scanf("%d %f", &age, &assets); // use the & here
    scanf("%s", pet);              // no & for char array
    printf("%d $%.2f %s\n", age, assets, pet);
    
    return 0;
}