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C/C++ code:

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

void **darray_new(int row, int col, int size)
{
void **arr;

arr = (void **) malloc(sizeof(void *) * row + size * row * col);
if (arr != NULL)
{
void *head;

head = (void *) arr + sizeof(void *) * row;
memset(arr, 0, sizeof(void *) * row + size * row * col);
while (row--)
arr[row] = head + size * row * col;
}
return arr;
}

void darray_free(void **arr)
{
if (arr != NULL)
free(arr);
}

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column:ÁÐÊý
size:Êý×éÀàÐÍËùÕ¼ÄÚ´æ´óС£¨char¾ÍÊÇ1À²£©
C/C++ code:

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

void **darray_new(int row, int col, int size)
{
void **arr;

//ÏÈÉêÇëÄڴ棬ÆäÖÐsizeof(void *) * row±íʾ´æ·Årow¸öÐÐÖ¸Õë
arr = (void **) malloc(sizeof(void *) * row + size * row *