user: 这段汇编代码用C语言表示是什么样的？

```asm
<handle_subtraction>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x118,%rsp
  mov    %rdi,%r13
  mov    %rsi,%rbx
  mov    %rdx,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  mov    %rdx,%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L63
L59:
  mov    0x108(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L56
  add    $0x118,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L63:
  mov    %r13,%rdi
  call   <lookup_set@plt>
  mov    %eax,%r12d
  test   %eax,%eax
  jne    L128
  mov    $0x6,%esi
  mov    %r13,%rdi
  call   <named_set@plt>
  mov    %eax,%r12d
  test   %eax,%eax
  je     L78
  mov    $0x0,%eax
  call   <error@plt>
  test   %rax,%rax
  jne    L78
L128:
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L69
  mov    %rbx,%rdi
  call   <lookup_set@plt>
  mov    %eax,%r13d
  test   %eax,%eax
  je     L166
  mov    $0x0,%eax
  call   <error@plt>
  test   %rax,%rax
  je     L84
L166:
  mov    %rsp,%rbp
  mov    %rbx,%rdx
  lea    D9(%rip),%rsi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <sprintf@plt>
  mov    %rbp,%rdi
  call   <set_error2@plt>
  jmp    L59
L78:
  mov    %rsp,%rdi
  movabs $0x206d656c626f7270,%rax
  movabs $0x7465732068746977,%rdx
  mov    %rax,(%rsp)
  mov    %rdx,0x8(%rsp)
  movabs $0x74696e6966656420,%rax
  mov    %rax,0x10(%rsp)
  movl   $0x6e6f69,0x18(%rsp)
  call   <set_error1@plt>
  jmp    L59
L69:
  mov    %r12d,%edi
  call   <clear_set@plt>
  jmp    L59
L84:
  mov    %rbp,%rdi
  call   <lookup_set@plt>
  mov    %eax,%ebx
  test   %eax,%eax
  je     L41
  mov    $0x0,%eax
  call   <error@plt>
  test   %rax,%rax
  je     L13
L41:
  mov    %rsp,%rbx
  mov    %rbp,%rdx
  lea    D9(%rip),%rsi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <sprintf@plt>
  mov    %rbx,%rdi
  call   <set_error2@plt>
  jmp    L59
L13:
  mov    $0x0,%eax
  call   <error@plt>
  test   %rax,%rax
  jne    L59
  mov    %r12d,%edx
  mov    %ebx,%esi
  mov    %r13d,%edi
  call   <set_subtraction@plt>
  mov    $0x0,%eax
  call   <error@plt>
  test   %rax,%rax
  je     L59
  mov    %rsp,%rdi
  movabs $0x206d656c626f7270,%rax
  movabs $0x7465732068746977,%rdx
  mov    %rax,(%rsp)
  mov    %rdx,0x8(%rsp)
  movabs $0x6361727462757320,%rax
  mov    %rax,0x10(%rsp)
  movl   $0x6e6f6974,0x18(%rsp)
  movb   $0x0,0x1c(%rsp)
  call   <set_error2@plt>
  jmp    L59
L56:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D9
data_type: string

tool: D9: invalid setname(%s) in -

assistant: ```c
void handle_subtraction(char *setname1, char *setname2, char *setname3) {
  int set1, set2, set3;
  char message[255];
  if (strcmp(setname2, setname3) == 0)
    return;
  set1 = lookup_set(setname1);
  if (set1 == 0) {
    set1 = named_set(setname1, 6);
    if (set1 == 0 || error()) {
      sprintf(message, "problem with set definition");
      set_error1(message);
      return;
    }
  }
  if (strcmp(setname2, setname3) == 0) {
    clear_set(set1);
    return;
  }
  set2 = lookup_set(setname2);
  if (set2 == 0 || error()) {
    sprintf(message, "invalid setname(%s) in -", setname2);
    set_error2(message);
    return;
  }
  set3 = lookup_set(setname3);
  if (set3 == 0 || error()) {
    sprintf(message, "invalid setname(%s) in -", setname3);
    set_error2(message);
    return;
  }
  if (error()) {
    return;
  }
  set_subtraction(set2, set3, set1);
  if (error()) {
    sprintf(message, "problem with set subtraction");
    set_error2(message);
    return;
  }
}
```