dynamic memory in C language

/*
Example: dynamic memory in C language
*/

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

int main(int argc, char const *argv[]) {
  char *string;

  string = malloc(sizeof(char) * 10);
  if (string == NULL)
    return;
  string[0] = 'l';
  string[1] = 'a';
  string[2] = 'u';
  string[3] = 't';
  string[4] = 't';
  string[5] = 'u';
  string[6] = 'r';
  string[7] = 'i';
  string[8] = '!';
  string[9] = '\0';
  printf("%s\n", string);
  free(string);
}