[C/C++基礎]- 59_純C語言動態配製記憶體和動態調整記憶體大小_實作(字串陣列) – jashliao部落格

#include 

using namespace std;

//Dynamic string arrays

#include 

#include 

#include 

int main (void) {

 char **strarray = NULL;

 int i = 0, strcount = 0;

 char line[1024];

 int j=0;

 while(j<3) {

  fgets(line, 1024, stdin);

  strarray = (char **)realloc(strarray, (strcount + 1) * sizeof(char *));

  strarray[strcount++] = strdup(line);//strcpy(strarray[strcount++], line);

  j++;

 }

 /* print the array of strings */

 for(i = 0; i < strcount; i++)

  printf("strarray[%d] == %s", i, strarray[i]);

 /*

 // free the string array

 // Note: You must delete each individual string

 //       before you delete the array of pointers

 */

 for(i = 0; i < strcount; i++)

  free(strarray[i]);

 free(strarray);

 return 0;

}