user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x228,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x218(%rsp)
  xor    %eax,%eax
  lea    D38(%rip),%rsi
  lea    D53(%rip),%rdi
  call   <fopen@plt>
  mov    %rax,%rbx
  mov    $0x0,%r13d
  mov    $0x0,%r12d
  lea    0x10(%rsp),%rbp
  lea    D12(%rip),%r14
  lea    D59(%rip),%r15
  test   %rax,%rax
  je     L17
L20:
  mov    %rbx,%rcx
  mov    $0x1,%edx
  mov    $0x200,%esi
  mov    %rbp,%rdi
  call   <fread@plt>
  cmp    $0x1,%eax
  jne    L113
  movzbl 0x10(%rsp),%eax
  cmpb   $0xd8,0x11(%rsp)
  je     L104
L40:
  test   %r12d,%r12d
  jle    L20
  mov    %r13,%rcx
  mov    $0x200,%edx
  mov    $0x1,%esi
  mov    %rbp,%rdi
  call   <fwrite@plt>
  jmp    L20
L17:
  lea    D53(%rip),%rsi
  lea    D24(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%edi
  call   <fclose@plt>
  mov    $0x2,%eax
  jmp    L79
L104:
  and    0x12(%rsp),%al
  cmp    $0xff,%al
  jne    L40
  movzbl 0x13(%rsp),%eax
  add    $0x20,%eax
  cmp    $0x1,%al
  ja     L40
  test   %r13,%r13
  je     L24
  mov    %r13,%rdi
  call   <fclose@plt>
  cmp    $0x9,%r12d
  jg     L97
  lea    0x8(%rsp),%rdi
  mov    %r12d,%edx
  mov    %r15,%rsi
  call   <sprintf@plt>
L18:
  lea    0x8(%rsp),%rdi
  mov    %r14,%rsi
  call   <fopen@plt>
  mov    %rax,%r13
  add    $0x1,%r12d
  mov    %rax,%rcx
  mov    $0x200,%edx
  mov    $0x1,%esi
  mov    %rbp,%rdi
  call   <fwrite@plt>
  jmp    L20
L24:
  lea    0x8(%rsp),%r13
  mov    %r12d,%edx
  mov    %r15,%rsi
  mov    %r13,%rdi
  call   <sprintf@plt>
  mov    %r14,%rsi
  mov    %r13,%rdi
  call   <fopen@plt>
  mov    %rax,%r13
  add    $0x1,%r12d
  mov    %rax,%rcx
  mov    $0x200,%edx
  mov    $0x1,%esi
  mov    %rbp,%rdi
  call   <fwrite@plt>
  jmp    L20
L97:
  lea    0x8(%rsp),%rdi
  mov    %r12d,%edx
  lea    D25(%rip),%rsi
  call   <sprintf@plt>
  jmp    L18
L113:
  mov    %r13,%rdi
  call   <fclose@plt>
  mov    %rbx,%rdi
  call   <fclose@plt>
  mov    $0x0,%eax
L79:
  mov    0x218(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L6
  add    $0x228,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L6:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D38
data_type: string
name: read_data
arguments: tag: D53
data_type: string
name: read_data
arguments: tag: D12
data_type: string
name: read_data
arguments: tag: D59
data_type: string
name: read_data
arguments: tag: D24
data_type: string
name: read_data
arguments: tag: D25
data_type: string

tool: D38: r

tool: D53: card.raw

tool: D12: a

tool: D59: 00%d.jpg

tool: D24: Could not open %s.


tool: D25: 0%d.jpg

assistant: ```c
int main(void) {
  FILE *dataFile = fopen("card.raw", "r");
  if (dataFile == NULL) {
    char *invalidFile = "card.raw";
    printf("Could not open %s.\n", invalidFile);
    fclose(dataFile);
    return 2;
  }
  int numFiles = 0;
  unsigned char buffer[512];
  FILE *img = NULL;
  char title[8];
  while (fread(&buffer, 512, 1, dataFile) == 1) {
    if (buffer[0] == 0xff && buffer[1] == 0xd8 && buffer[2] == 0xff && ((buffer[3] == 0xe0) || (buffer[3] == 0xe1))) {
      if (img == NULL) {
        sprintf(title, "00%d.jpg", numFiles);
        img = fopen(title, "a");
        numFiles++;
        fwrite(buffer, 1, 512, img);
      } else {
        fclose(img);
        if (numFiles < 10) {
          sprintf(title, "00%d.jpg", numFiles);
        } else {
          sprintf(title, "0%d.jpg", numFiles);
        }
        img = fopen(title, "a");
        numFiles++;
        fwrite(buffer, 1, 512, img);
      }
    } else {
      if (numFiles > 0) {
        fwrite(buffer, 1, 512, img);
      }
    }
  }
  fclose(img);
  fclose(dataFile);
}
```