user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x28(%rbp)
  cmpl   $0x3,-0x34(%rbp)
  je     L73
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0x2,%edi
  call   <exit@plt>
L73:
  mov    -0x40(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  lea    D18(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x40(%rbp),%rax
  add    $0x10,%rax
  mov    (%rax),%rax
  lea    D18(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x10(%rbp)
L106:
  mov    -0x18(%rbp),%rdx
  lea    -0x2c(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x2,%esi
  mov    %rax,%rdi
  call   <fread@plt>
  mov    %eax,-0x20(%rbp)
  mov    -0x10(%rbp),%rdx
  lea    -0x2a(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x2,%esi
  mov    %rax,%rdi
  call   <fread@plt>
  mov    %eax,-0x1c(%rbp)
  movzwl -0x2c(%rbp),%eax
  cwtl
  movzwl -0x2a(%rbp),%edx
  movswl %dx,%edx
  sub    %edx,%eax
  mov    %eax,-0x24(%rbp)
  cmpl   $0x0,-0x20(%rbp)
  jne    L81
  cmpl   $0x0,-0x1c(%rbp)
  jne    L81
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x28(%rbp),%eax
  mov    %eax,%esi
  lea    D24(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%edi
  call   <exit@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L68
  jmp    L7
L81:
  cmpl   $0x0,-0x20(%rbp)
  je     L22
  cmpl   $0x0,-0x1c(%rbp)
  jne    L6
L22:
  lea    D26(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0x1,%edi
  call   <exit@plt>
L6:
  cmpl   $0x0,-0x24(%rbp)
  jns    L49
  negl   -0x24(%rbp)
L49:
  cmpl   $0x1,-0x24(%rbp)
  jle    L42
  mov    -0x24(%rbp),%eax
  mov    %eax,%esi
  lea    D59(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
L42:
  cmpl   $0x0,-0x24(%rbp)
  je     L106
  addl   $0x1,-0x28(%rbp)
  jmp    L106
L7:
  call   <__stack_chk_fail@plt>
L68:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D8
data_type: string
name: disassemble_data
arguments: data_tag: D18
data_type: string
name: disassemble_data
arguments: data_tag: D24
data_type: string
name: disassemble_data
arguments: data_tag: D26
data_type: string
name: disassemble_data
arguments: data_tag: D59
data_type: string

tool: D8: compare <file1> <file2>

tool: D18: rb

tool: D24: %d (+/-1)differences found


tool: D26: FATAL error, files have different size!

tool: D59: FATAL error, too large differnce found (%d)!


assistant: ```c
int main(int argc, char **argv) {
  FILE *f0, *f1;
  int dif = 0;
  if (argc != 3) {
    printf("compare <file1> <file2>\n");
    exit(2);
  }
  f0 = fopen(argv[1], "rb");
  f1 = fopen(argv[2], "rb");
  for (;;) {
    short c0;
    short c1;
    int d;
    int e0 = fread(&c0, 2, 1, f0);
    int e1 = fread(&c1, 2, 1, f1);
    d = c0 - c1;
    if (e0 == 0 && e1 == 0)
      break;
    if (e0 == 0 || e1 == 0) {
      printf("FATAL error, files have different size!\n");
      exit(1);
    }
    if (d < 0)
      d = -d;
    if (d > 1) {
      printf("FATAL error, too large differnce found (%d)!\n", d);
      exit(1);
    }
    if (d)
      dif++;
  }
  fclose(f0);
  fclose(f1);
  printf("%d (+/-1)differences found\n", dif);
  exit(0);
}
```