March 2024
Beginner
348 pages
4h 21m
English
27.1 Dynamic Memory Allocation
Write a program that dynamically allocates space for a double and space for an int using a dereferenced pointer size. Free the memory blocks afterward:
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
// allocate space for a double
double *p1 = malloc(sizeof(double));
if (p1)
{
*p1 = 123.456;
printf("The value is: %f\n", *p1);
}
free(p1);
// allocate space for an int
int *p2 = malloc(sizeof *p2);
if (p2)
{
*p2 ...
