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

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x840,%rsp
  mov    %edi,-0x834(%rbp)
  mov    %rsi,-0x840(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x82c(%rbp)
  movb   $0x0,-0x9(%rbp)
  cmpl   $0x1,-0x834(%rbp)
  jle    L125
  mov    -0x840(%rbp),%rax
  mov    0x8(%rax),%rax
  mov    %rax,-0x828(%rbp)
  jmp    L131
L125:
  lea    D12(%rip),%rax
  mov    %rax,-0x828(%rbp)
L131:
  mov    -0x828(%rbp),%rax
  lea    D34(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x818(%rbp)
  jmp    L17
L93:
  mov    -0x810(%rbp),%eax
  cmp    $0xff,%eax
  jne    L17
  mov    -0x80c(%rbp),%eax
  cmp    $0xd8,%eax
  jne    L17
  mov    -0x808(%rbp),%eax
  cmp    $0xff,%eax
  jne    L17
  mov    -0x804(%rbp),%eax
  cmp    $0xe0,%eax
  je     L0
  mov    -0x804(%rbp),%eax
  cmp    $0xe1,%eax
  jne    L17
L0:
  lea    D6(%rip),%rax
  mov    %rax,%rsi
  lea    D32(%rip),%rax
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x820(%rbp)
  addl   $0x1,-0x82c(%rbp)
  mov    -0x820(%rbp),%rdx
  lea    -0x810(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x800,%esi
  mov    %rax,%rdi
  call   <fwrite@plt>
L17:
  cmpl   $0x0,-0x82c(%rbp)
  jne    L21
  mov    -0x818(%rbp),%rdx
  lea    -0x810(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x800,%esi
  mov    %rax,%rdi
  call   <fread@plt>
  cmp    $0x1,%eax
  je     L93
  jmp    L21
L90:
  mov    -0x810(%rbp),%eax
  cmp    $0xff,%eax
  jne    L121
  mov    -0x80c(%rbp),%eax
  cmp    $0xd8,%eax
  jne    L121
  mov    -0x808(%rbp),%eax
  cmp    $0xff,%eax
  jne    L121
  mov    -0x804(%rbp),%eax
  cmp    $0xe0,%eax
  je     L128
  mov    -0x804(%rbp),%eax
  cmp    $0xe1,%eax
  jne    L121
L128:
  mov    -0x820(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x82c(%rbp),%edx
  lea    -0x10(%rbp),%rax
  lea    D46(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <sprintf@plt>
  lea    -0x10(%rbp),%rax
  lea    D6(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x820(%rbp)
  addl   $0x1,-0x82c(%rbp)
L121:
  mov    -0x820(%rbp),%rdx
  lea    -0x810(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x800,%esi
  mov    %rax,%rdi
  call   <fwrite@plt>
L21:
  mov    -0x818(%rbp),%rdx
  lea    -0x810(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x800,%esi
  mov    %rax,%rdi
  call   <fread@plt>
  cmp    $0x1,%eax
  je     L90
  mov    -0x818(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L133
  call   <__stack_chk_fail@plt>
L133:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D12
type: string
name: extract_symbolic_data
arguments: data_tag: D34
type: string
name: extract_symbolic_data
arguments: data_tag: D6
type: string
name: extract_symbolic_data
arguments: data_tag: D32
type: string
name: extract_symbolic_data
arguments: data_tag: D46
type: string

tool: D12: card.raw

tool: D34: r

tool: D6: w

tool: D32: 000.jpg

tool: D46: %.3d.jpg

assistant: ```c
int main(int argc, char *argv[]) {
  uint8_t block[512];
  char *filename;
  FILE *rawfile;
  FILE *picfile;
  int picnum = 0;
  char picname[8];
  picname[7] = '\0';
  if (argc > 1)
    filename = argv[1];
  else
    filename = "card.raw";
  rawfile = fopen(filename, "r");
  while (picnum == 0 && fread(&block, sizeof(block), 1, rawfile) == 1) {
    if (block[0] == 0xff && block[1] == 0xd8 && block[2] == 0xff && (block[3] == 0xe0 || block[3] == 0xe1)) {
      picfile = fopen("000.jpg", "w");
      picnum++;
      fwrite(&block, sizeof(block), 1, picfile);
    }
  }
  while (fread(&block, sizeof(block), 1, rawfile) == 1) {
    if (block[0] == 0xff && block[1] == 0xd8 && block[2] == 0xff && (block[3] == 0xe0 || block[3] == 0xe1)) {
      fclose(picfile);
      sprintf(picname, "%.3d.jpg", picnum);
      picfile = fopen(picname, "w");
      picnum++;
    }
    fwrite(&block, sizeof(block), 1, picfile);
  }
  fclose(rawfile);
  return 0;
}
```