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我试图读取一个文件，并将文件中的所有字符填充到一个数组中。问题是在while循环中执行停止，并且出现分段错误。这是感兴趣的函数：

void allocAndFillArray(char **arrayChar, FILE *file) {
    // *file is checked before the function and 
    //  if the function is called the pointer is not NULL

    int len = x; // x is just a random size. In the real function it is the number of characters in the file
    *arrayChar = (char *)calloc(len, sizeof(char));

    int i = 0;
    while (i < len) {
        *arrayChar[i] = fgetc(file);
        i = i + 1;
    } // in this cycle the execution stops after the first iteration 
      // and only one character is written in the array 
      // before a crash reported as segmentation fault. 

   fclose(file);
}

我试着用malloc改变calloc，试着改变大小，但它就是不起作用