user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D3(%rip),%rax
  mov    %rax,%rsi
  lea    D13(%rip),%rax
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x18(%rbp)
  lea    D3(%rip),%rax
  mov    %rax,%rsi
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x10(%rbp)
  movb   $0x0,-0x32(%rbp)
  movb   $0x0,-0x31(%rbp)
  movl   $0x0,-0x30(%rbp)
  movl   $0x0,-0x2c(%rbp)
  movl   $0x4,-0x1c(%rbp)
  movl   $0x1,-0x28(%rbp)
  movl   $0x1,-0x24(%rbp)
  movl   $0x0,-0x20(%rbp)
  jmp    L89
L116:
  mov    -0x18(%rbp),%rdx
  lea    -0x32(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <fread@plt>
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  mov    %eax,-0x28(%rbp)
  mov    -0x10(%rbp),%rdx
  lea    -0x31(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <fread@plt>
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  mov    %eax,-0x24(%rbp)
  cmpl   $0x0,-0x28(%rbp)
  jne    L30
  cmpl   $0x0,-0x24(%rbp)
  je     L61
L30:
  cmpl   $0x0,-0x30(%rbp)
  jne    L26
  lea    D54(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
L26:
  cmpl   $0x4,-0x30(%rbp)
  jne    L87
  lea    D52(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
L87:
  mov    -0x30(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L133
  mov    -0x30(%rbp),%eax
  sub    -0x1c(%rbp),%eax
  and    $0xf,%eax
  test   %eax,%eax
  jne    L133
  cmpl   $0x0,-0x20(%rbp)
  je     L135
  mov    -0x2c(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x2c(%rbp)
  add    $0xffffff80,%eax
  mov    %eax,%esi
  lea    D93(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L102
L135:
  mov    -0x2c(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x2c(%rbp)
  mov    %eax,%esi
  lea    D84(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L102:
  cmpl   $0x80,-0x2c(%rbp)
  jne    L133
  movl   $0x1,-0x20(%rbp)
L133:
  movzbl -0x32(%rbp),%edx
  movzbl -0x31(%rbp),%eax
  cmp    %al,%dl
  jne    L44
  lea    D90(%rip),%rax
  jmp    L153
L44:
  lea    D64(%rip),%rax
L153:
  movzbl -0x31(%rbp),%edx
  movzbl %dl,%ecx
  movzbl -0x32(%rbp),%edx
  movzbl %dl,%edx
  mov    -0x30(%rbp),%esi
  mov    %rax,%r8
  lea    D53(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x1,-0x30(%rbp)
L89:
  cmpl   $0x0,-0x28(%rbp)
  je     L68
  cmpl   $0x0,-0x24(%rbp)
  jne    L116
  jmp    L68
L61:
  nop
L68:
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L28
  call   <__stack_chk_fail@plt>
L28:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: label: D3
type_guessed: string
name: unpack_data
arguments: label: D13
type_guessed: string
name: unpack_data
arguments: label: D1
type_guessed: string
name: unpack_data
arguments: label: D54
type_guessed: string
name: unpack_data
arguments: label: D52
type_guessed: string
name: unpack_data
arguments: label: D93
type_guessed: string
name: unpack_data
arguments: label: D84
type_guessed: string
name: unpack_data
arguments: label: D90
type_guessed: string
name: unpack_data
arguments: label: D64
type_guessed: string
name: unpack_data
arguments: label: D53
type_guessed: string

tool: D3: rb

tool: D13: ibk1.ibk

tool: D1: ibk2.ibk

tool: D54: Header

tool: D52: Header END

tool: D93: DRUM!!! %d


tool: D84: INSTRUMENT!!! %d


tool: 

tool: D64:  <- NOT SAME!!!

tool: D53: %03X: {0x%02x == 0x%02x}%s


assistant: ```c
int main() {
  FILE *f1 = fopen("ibk1.ibk", "rb");
  FILE *f2 = fopen("ibk2.ibk", "rb");
  unsigned char byte1 = 0, byte2 = 0;
  int count = 0;
  int insCount = 0;
  int dataPos = 4;
  int valid1 = 1;
  int valid2 = 1;
  int drumMode = 0;
  while (valid1 && valid2) {
    valid1 = (fread(&byte1, 1, 1, f1) != 0);
    valid2 = (fread(&byte2, 1, 1, f2) != 0);
    if (!valid1 && !valid2)
      break;
    if (count == 0) {
      printf("Header\n");
    }
    if (count == 4) {
      printf("Header END\n");
    }
    if (count >= dataPos) {
      if ((count - dataPos) % 16 == 0) {
        if (drumMode)
          printf("DRUM!!! %d\n", (insCount++) - 128);
        else
          printf("INSTRUMENT!!! %d\n", insCount++);
        if (insCount == 128)
          drumMode = 1;
      }
    }
    printf("%03X: {0x%02x == 0x%02x}%s\n", count, byte1, byte2, (byte1 == byte2) ? "" : " <- NOT SAME!!!");
    count++;
  }
}
```