//calloc
#include <stdio.h>
#include <stdlib.h>
int main() {
int *ptr;
int n = 5;
printf("Enter number of values:\n");
scanf("%d",&n);
ptr = (int *)calloc(n, sizeof(int));
if (ptr == NULL) {
printf("Memory allocation failed!\n");
return 1;
}
printf("\n");
for (int i = 0; i < n; i++) {
ptr[i] = i *10+10;
}
printf("After assigning values:\n");
for (int i = 0; i < n; i++) {
printf("%d ", ptr[i]);
}
printf("\n");
free(ptr);
ptr = NULL;
return 0;
}
#include <stdio.h>
#include <stdlib.h>
int main() {
int *ptr;
ptr = (int*) malloc(sizeof(int));
if (ptr == NULL) {
printf("Memory allocation failed!\n");
return 1;
}
printf("Memory successfully allocated using malloc.\n");
printf("enter a value.\n");
scanf("%d",ptr);
printf("value = %d ", *ptr);
printf("\n");
return 0;
}
#include <stdio.h>
#include <stdlib.h>
int main() {
int *ptr;
ptr = (int*) malloc(sizeof(int));
if (ptr == NULL) {
printf("Memory allocation failed!\n");
return 1;
}
printf("Memory successfully allocated using malloc.\n");
printf("enter a value.\n");
scanf("%d",ptr);
printf("value = %d ", *ptr);
printf("\n");
free(ptr);
printf("after free ptr new value = %d ", *ptr);
return 0;
}
1. Malloc - CLICK HERE
2.Free - CLICK HERE
3.Calloc - 1. CLICK HERE 2. CLICK HERE
4.Calloc AND Free - CLICK HERE
5.Realloc - CLICK HERE