user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x10,%edi
  call   <malloc@plt>
  mov    %rax,%rbx
  mov    $0x10,%ecx
  mov    $0x4,%edx
  mov    $0x8,%esi
  lea    D21(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x8,%esi
  lea    D37(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    $0x0,%edx
  mov    $0x0,%esi
  lea    D28(%rip),%rbp
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    (%rbx),%rax
  movl   $0x1,(%rax)
  mov    $0x1,%edx
  mov    $0x0,%esi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    (%rbx),%rax
  movl   $0x2,0x4(%rax)
  mov    $0x2,%edx
  mov    $0x1,%esi
  lea    D67(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    (%rbx),%rax
  mov    (%rax),%esi
  lea    D0(%rip),%rbp
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    (%rbx),%rax
  mov    0x4(%rax),%esi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    $0x1,%esi
  lea    D63(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D34(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%esi
  lea    D70(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: tag: D21
type_guessed: string
name: read_data
arguments: tag: D37
type_guessed: string
name: read_data
arguments: tag: D28
type_guessed: string
name: read_data
arguments: tag: D67
type_guessed: string
name: read_data
arguments: tag: D0
type_guessed: string
name: read_data
arguments: tag: D63
type_guessed: string
name: read_data
arguments: tag: D34
type_guessed: string
name: read_data
arguments: tag: D70
type_guessed: string

tool: D21: sizeof(*b)=%ld sizeof(**b)=%ld total size %ld


tool: D37: %ld


tool: D28: Copying b[%d][%d]


tool: D67: Printing Two Dimensional array with %d rows and %d columns


tool: D0: %d 

tool: D63: %d


tool: D34: Must print 1 if you have machine which is Little Endian

tool: D70: size of struct t %ld


assistant: ```c
int main() {
  unsigned int x = 1;
  double y;
  struct t {
    char c;
  };
  int a[3][4] = {{0, 1, 2, 3}, {4, 5, 6, 7}, {8, 9, 10, 11}};
  int rows = 1;
  int columns = 2;
  int start = 1;
  int i, j;
  int **b = NULL;
  b = malloc(sizeof(*b) * rows + (rows * columns * sizeof(**b)));
  printf("sizeof(*b)=%ld sizeof(**b)=%ld total size %ld\n", sizeof(*b), sizeof(**b), (sizeof(*b) * rows + (rows * columns * sizeof(**b))));
  printf("%ld\n", (char *)(&y + 1) - (char *)(&y));
  getchar();
  for (i = 0; i < rows; i++) {
    for (j = 0; j < columns; j++) {
      printf("Copying b[%d][%d]\n", i, j);
      b[i][j] = start++;
    }
    start += 10;
  }
  printf("Printing Two Dimensional array with %d rows and %d columns\n", rows, columns);
  for (i = 0; i < rows; i++) {
    for (j = 0; j < columns; j++) {
      printf("%d ", b[i][j]);
    }
    printf("\n");
    start += 10;
  }
  printf("%d\n", (int)(((char *)&x)[0]));
  printf("Must print 1 if you have machine which is Little Endian\n");
  printf("size of struct t %ld\n", sizeof(struct t));
  return 0;
}
```