Linux C_純C/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)『動態調整記憶體大小_字串陣列實作 標準參考範本』

GITHUB: https://github.com/jash-git/Jash_LinuxC/tree/master/%E7%B4%94C%E8%AA%9E%E8%A8%80%E5%8B%95%E6%85%8B%E9%85%8D%E8%A3%BD%E8%A8%98%E6%86%B6%E9%AB%94%E5%92%8C%E5%8B%95%E6%85%8B%E8%AA%BF%E6%95%B4%E8%A8%98%E6%86%B6%E9%AB%94%E5%A4%A7%E5%B0%8F_%E5%AF%A6%E4%BD%9C(%E5%AD%97%E4%B8%B2%E9%99%A3%E5%88%97)%E3%80%8E%E5%8B%95%E6%85%8B%E8%AA%BF%E6%95%B4%E8%A8%98%E6%86%B6%E9%AB%94%E5%A4%A7%E5%B0%8F_%E5%AD%97%E4%B8%B2%E9%99%A3%E5%88%97%E5%AF%A6%E4%BD%9C%20%E6%A8%99%E6%BA%96%E5%8F%83%E8%80%83%E7%AF%84%E6%9C%AC%E3%80%8F

code:

//Dynamic string arrays

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

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;
}