user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  cmp    $0x3,%edi
  je     L66
  lea    D23(%rip),%rdi
  call   <puts@plt>
  lea    D10(%rip),%rdi
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L59
L20:
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  jmp    10f0 <puts@plt>
L66:
  mov    0x10(%rsi),%rdi
  mov    %rsi,%rbx
  lea    D38(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L108
  mov    0x10(%rbx),%rdi
  lea    D51(%rip),%rsi
  mov    $0x2,%ebp
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L14
L33:
  mov    0x8(%rbx),%rdi
  call   <BTreeOpen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L39
  mov    %ebp,%edi
  lea    D54(%rip),%r13
  mov    %rsp,%rbx
  call   <BTreeSetDebugMode@plt>
  mov    %r12,%rdi
  lea    D81(%rip),%r14
  call   <BTreePrintRoot@plt>
  jmp    L54
  xchg   %ax,%ax
L45:
  mov    %rbx,%rdi
  call   <atoi@plt>
  mov    %r14,%rdi
  mov    %eax,%esi
  mov    %eax,%ebp
  xor    %eax,%eax
  call   <printf@plt>
  mov    %ebp,%esi
  mov    %r12,%rdi
  call   <BTreePrintNodeFromBlock@plt>
L54:
  mov    %r13,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbx,%rdi
  call   <gets@plt>
  cmpb   $0x71,(%rsp)
  jne    L45
  lea    D52(%rip),%rdi
  call   <puts@plt>
  mov    %r12,%rdi
  call   <BTreeClose@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L59
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L108:
  mov    $0x1,%ebp
  jmp    L33
L14:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  lea    D53(%rip),%rdi
  je     L20
L59:
  call   <__stack_chk_fail@plt>
L39:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L59
  mov    0x8(%rbx),%rsi
  add    $0x20,%rsp
  lea    D42(%rip),%rdi
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  jmp    1110 <printf@plt>
```

tool_calls: name: read_data
arguments: data_label: D23
datatype: string
name: read_data
arguments: data_label: D10
datatype: string
name: read_data
arguments: data_label: D38
datatype: string
name: read_data
arguments: data_label: D51
datatype: string
name: read_data
arguments: data_label: D54
datatype: string
name: read_data
arguments: data_label: D81
datatype: string
name: read_data
arguments: data_label: D52
datatype: string
name: read_data
arguments: data_label: D53
datatype: string
name: read_data
arguments: data_label: D42
datatype: string

tool: D23: Usage: DebugBTree <path> <key format>

tool: D10:        key format is either 'string' or 'int'

tool: D38: string

tool: D51: int

tool: D54: Which node? 

tool: D81: 
Printing node %d


tool: D52: Bye bye!

tool: D53: Invalid key format.

tool: D42: Can not open BTree at path '%s'


assistant: ```c
void main(int argc, char *argv[]) {
  struct BTree *tree;
  int block, keyFormat;
  char input[20];
  if (argc != 3) {
    printf("Usage: DebugBTree <path> <key format>\n");
    printf("       key format is either 'string' or 'int'\n");
    return;
  }
  if (strcmp(argv[2], "string") == 0) {
    keyFormat = 1;
  } else if (strcmp(argv[2], "int") == 0) {
    keyFormat = 2;
  } else {
    printf("Invalid key format.\n");
    return;
  }
  if ((tree = BTreeOpen(argv[1])) == NULL) {
    printf("Can not open BTree at path '%s'\n", argv[1]);
    return;
  }
  BTreeSetDebugMode(keyFormat);
  BTreePrintRoot(tree);
  for (;;) {
    printf("Which node? ");
    gets(input);
    if (input[0] == 'q') {
      break;
    }
    block = atoi(input);
    printf("\nPrinting node %d\n", block);
    BTreePrintNodeFromBlock(tree, block);
  }
  printf("Bye bye!\n");
  BTreeClose(tree);
}
```