calloc

Allocates an array and initializes all elements to zero.

void *calloc( size_t num elems, size_t elem_size); 

Return Values

Returns a void * type pointer to the allocated space. If the system could not allocate the requested block of memory or if any of the parameters was 0, returns a NULL pointer.

For calloc details, refer to your C language documentation.

Example

The following example uses calloc to allocate a buffer of length 1024.

#include <malloc.h>
    char * buf;

    if ((buf = (char *)calloc(1024, sizeof(char))) == NULL) {
        lr_output_message ("Insufficient memory available");
        return -1;    
    }

    lr_output_message ("Memory allocated. Buffer address = %.8x", buf);

    // Do something with the buffer here ... 

    // Now free the buffer 

    free(buf);

Example: Output:
Action.c(11): Memory allocated. Buffer address = 007b9d88