Use calloc() allocate memory - C Memory

Description

Use calloc() allocate memory

Demo Code

#include <stdlib.h>
#include <stdio.h>

int main( void )
{
    unsigned long num;
    int *ptr;//from   w  w w.j  a  v  a2 s.c o m

    printf("Enter the number of type int to allocate: ");
    scanf("%ld", &num);

    ptr = (int*)calloc(num, sizeof(long long));

    if (ptr != NULL)
        puts("Memory allocation was successful.");
    else
        puts("Memory allocation failed.");
    return 0;
}

Result

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Related Tutorials

• Calloc() function attempts to grab contiguous segments of memory from the heap.
• Test calloc() and free() functions by using dynamic memory allocation and filling in random number
• Generate Lists of Numbers in an Interactive Manner and use function calloc() for dynamic allocation of memory
• Extending Dynamically Allocated Memory
• Realloc() expands the memory allocated by calloc() or malloc()