user: 这段汇编代码用C语言表示是什么样的：

```asm
<brainfuck>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L178
L133:
  movl   $0x0,-0x4(%rbp)
  mov    -0x30(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x2b,%eax
  cmp    $0x32,%eax
  ja     L14
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D10(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D10(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  movl   $0x40,-0x4(%rbp)
  jmp    L14
  movl   $0x8,-0x4(%rbp)
  jmp    L14
  movl   $0xc0,-0x4(%rbp)
  jmp    L14
  movl   $0x4,-0x4(%rbp)
  jmp    L14
  movl   $0x10,-0x4(%rbp)
  jmp    L14
  movl   $0x30,-0x4(%rbp)
  jmp    L14
  movl   $0x1,-0x4(%rbp)
  jmp    L14
  movl   $0x3,-0x4(%rbp)
  nop
L14:
  cmpl   $0x0,-0x8(%rbp)
  jne    L106
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  sete   %dl
  mov    -0x4(%rbp),%eax
  and    $0x2,%eax
  test   %eax,%eax
  setne  %al
  xor    %edx,%eax
  test   %al,%al
  je     L204
L106:
  mov    -0x4(%rbp),%eax
  and    $0x1,%eax
  test   %eax,%eax
  je     L230
  mov    $0x2,%eax
  sub    -0x4(%rbp),%eax
  jmp    L212
L230:
  mov    $0x0,%eax
  jmp    L212
L204:
  mov    $0x0,%eax
L212:
  add    %eax,-0x8(%rbp)
  cmpl   $0x0,-0x8(%rbp)
  jne    L186
  mov    -0x4(%rbp),%eax
  and    $0xc,%eax
  test   %eax,%eax
  je     L213
  mov    -0x4(%rbp),%eax
  and    $0x4,%eax
  test   %eax,%eax
  je     L36
  mov    -0x28(%rbp),%rax
  jmp    L45
L36:
  mov    -0x20(%rbp),%rax
L45:
  mov    -0x18(%rbp),%rdx
  mov    %rdx,%rdi
  call   *%rax
  jmp    L186
L213:
  mov    -0x4(%rbp),%eax
  and    $0x10,%eax
  test   %eax,%eax
  je     L148
  mov    -0x4(%rbp),%eax
  sar    $0x4,%eax
  cltq
  sub    $0x2,%rax
  jmp    L1
L148:
  mov    $0x0,%eax
L1:
  add    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%edx
  mov    %edx,%ecx
  mov    -0x4(%rbp),%edx
  and    $0x40,%edx
  test   %edx,%edx
  je     L76
  mov    -0x4(%rbp),%edx
  sar    $0x6,%edx
  mov    %edx,%esi
  mov    $0x2,%edx
  sub    %esi,%edx
  jmp    L64
L76:
  mov    $0x0,%edx
L64:
  add    %ecx,%edx
  mov    %dl,(%rax)
L186:
  mov    -0x8(%rbp),%eax
  not    %eax
  shr    $0x1f,%eax
  movzbl %al,%eax
  mov    -0x8(%rbp),%edx
  shr    $0x1f,%edx
  movzbl %dl,%edx
  sub    %edx,%eax
  cltq
  add    %rax,-0x30(%rbp)
L178:
  mov    -0x30(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L133
  nop
  nop
  leave
  ret
```

assistant: ```c
void brainfuck(char *m, void (*i)(char *), void (*o)(char *), const char *c) {
  int l = 0;
  while (*c) {
    int x = 0;
    switch (*c) {
    case 43:
      x = 64;
      break;
    case 44:
      x = 8;
      break;
    case 45:
      x = 192;
      break;
    case 46:
      x = 4;
      break;
    case 60:
      x = 16;
      break;
    case 62:
      x = 48;
      break;
    case 91:
      x = 1;
      break;
    case 93:
      x = 3;
      break;
    }
    (l += l || !*m != !!(x & 2) ? (x & 1 ? 2 - x : 0) : 0) ? 0 : (x & 12 ? (x & 4 ? o : i)(m), 0 : (*(m += (x & 16 ? x >> 4 : 2) - 2) += 2 - (x & 64 ? x >> 6 : 2))), *(c += (l >= 0) - (l < 0));
  }
}
```