example-1

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

#define _A_VALUE "test string"

int main(void)
{
  char *a = malloc(sizeof *a * sizeof(_A_VALUE));

  if (a == NULL)
    return EXIT_FAILURE;

  memcpy(a, _A_VALUE, sizeof(_A_VALUE));

  printf("a = %s\n", a);

  free(a);

  return EXIT_SUCCESS;
}