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    $0xb0,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    D16(%rip),%rax
  mov    (%rax),%eax
  mov    $0x20000,%edx
  lea    D22(%rip),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  mov    %rax,-0x90(%rbp)
  movl   $0x0,-0xac(%rbp)
  cmpq   $0x4000,-0x90(%rbp)
  setbe  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  jmp    L93
L162:
  subq   $0x1,-0x90(%rbp)
L93:
  cmpq   $0x0,-0x90(%rbp)
  je     L103
  mov    -0x90(%rbp),%rax
  sub    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  lea    D22(%rip),%rax
  mov    (%rdx,%rax,1),%rax
  test   %rax,%rax
  je     L162
L103:
  movq   $0x0,-0x88(%rbp)
  movl   $0x0,-0xa8(%rbp)
  movl   $0x0,-0xa4(%rbp)
  movl   $0xffffffff,-0x78(%rbp)
  movl   $0xffffffff,-0x74(%rbp)
L143:
  movq   $0x0,-0x80(%rbp)
  mov    -0xac(%rbp),%eax
  cmp    %rax,-0x90(%rbp)
  jne    L113
  cmpl   $0x0,-0xa8(%rbp)
  jne    L110
  jmp    L128
L113:
  mov    -0xac(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0xac(%rbp)
  mov    %eax,%eax
  lea    0x0(,%rax,8),%rdx
  lea    D22(%rip),%rax
  mov    (%rdx,%rax,1),%rax
  mov    %rax,-0x80(%rbp)
L110:
  mov    -0x78(%rbp),%eax
  mov    %eax,%eax
  cmp    %rax,-0x80(%rbp)
  je     L6
  mov    -0x74(%rbp),%eax
  mov    %eax,%eax
  cmp    %rax,-0x80(%rbp)
  jne    L154
L6:
  addl   $0x2,-0xa8(%rbp)
  shll   -0xa4(%rbp)
  orl    $0x1,-0xa4(%rbp)
  shll   -0xa4(%rbp)
  mov    -0x74(%rbp),%eax
  mov    %eax,%eax
  cmp    %rax,-0x80(%rbp)
  jne    L157
  orl    $0x1,-0xa4(%rbp)
  jmp    L157
L154:
  addl   $0x2,-0xa8(%rbp)
  shll   $0x2,-0xa4(%rbp)
  mov    -0x74(%rbp),%eax
  lea    -0x70(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <opts@plt>
  movl   $0x0,-0xa0(%rbp)
  movl   $0x0,-0x9c(%rbp)
  jmp    L37
L146:
  mov    -0x9c(%rbp),%eax
  mov    -0x70(%rbp,%rax,8),%rax
  cmp    %rax,-0x80(%rbp)
  jne    L31
  orl    $0x1,-0xa4(%rbp)
  addl   $0x2,-0xa8(%rbp)
  shll   $0x2,-0xa4(%rbp)
  mov    -0x9c(%rbp),%eax
  or     %eax,-0xa4(%rbp)
  movl   $0x1,-0xa0(%rbp)
  jmp    L14
L31:
  addl   $0x1,-0x9c(%rbp)
L37:
  cmpl   $0x3,-0x9c(%rbp)
  jbe    L146
L14:
  cmpl   $0x0,-0xa0(%rbp)
  jne    L157
  mov    -0x88(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x88(%rbp)
  mov    -0x80(%rbp),%rdx
  mov    %rdx,-0x50(%rbp,%rax,8)
L157:
  mov    -0x74(%rbp),%eax
  mov    %eax,-0x78(%rbp)
  mov    -0x80(%rbp),%rax
  mov    %eax,-0x74(%rbp)
  cmpl   $0x7,-0xa8(%rbp)
  jbe    L143
  mov    -0xa8(%rbp),%eax
  sub    $0x8,%eax
  mov    -0xa4(%rbp),%edx
  mov    %eax,%ecx
  shr    %cl,%edx
  mov    %edx,%eax
  mov    %eax,%eax
  mov    %rax,-0x98(%rbp)
  mov    -0x98(%rbp),%rax
  cmp    $0x1,%rax
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    D50(%rip),%rax
  mov    (%rax),%eax
  lea    -0x98(%rbp),%rcx
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write_all@plt>
  mov    -0x88(%rbp),%rax
  mov    %eax,%edx
  mov    D50(%rip),%rax
  mov    (%rax),%eax
  lea    -0x50(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write_all@plt>
  subl   $0x8,-0xa8(%rbp)
  mov    -0xa8(%rbp),%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  sub    $0x1,%eax
  and    %eax,-0xa4(%rbp)
  movq   $0x0,-0x88(%rbp)
  jmp    L143
L128:
  movq   $0x1,-0x98(%rbp)
  mov    D50(%rip),%rax
  mov    (%rax),%eax
  lea    -0x98(%rbp),%rcx
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write_all@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L100
  call   <__stack_chk_fail@plt>
L100:
  leave
  ret
```

assistant: ```c
int main() {
  static uint8_t source[0x4000];
  size_t size = read(STDIN_FILENO, &source, sizeof(source));
  unsigned pos = 0;
  assert(size <= 0x4000);
  while (size && source[size - 1] == 0) {
    size--;
  }
  uint8_t literals[8];
  size_t literals_size = 0;
  unsigned bits = 0;
  unsigned control = 0;
  unsigned prev[2] = {-1, -1};
  while (true) {
    uint8_t byte = 0;
    if (pos == size) {
      if (bits == 0)
        break;
    } else {
      byte = source[pos++];
    }
    if (byte == prev[0] || byte == prev[1]) {
      bits += 2;
      control <<= 1;
      control |= 1;
      control <<= 1;
      if (byte == prev[1]) {
        control |= 1;
      }
    } else {
      bits += 2;
      control <<= 2;
      uint8_t options[4];
      opts(prev[1], options);
      bool found = false;
      for (unsigned i = 0; i < 4; i++) {
        if (options[i] == byte) {
          control |= 1;
          bits += 2;
          control <<= 2;
          control |= i;
          found = true;
          break;
        }
      }
      if (!found) {
        literals[literals_size++] = byte;
      }
    }
    prev[0] = prev[1];
    prev[1] = byte;
    if (bits >= 8) {
      uint8_t outctl = control >> (bits - 8);
      assert(outctl != 1);
      write_all(STDOUT_FILENO, &outctl, 1);
      write_all(STDOUT_FILENO, literals, literals_size);
      bits -= 8;
      control &= (1 << bits) - 1;
      literals_size = 0;
    }
  }
  uint8_t end_byte = 1;
  write_all(STDOUT_FILENO, &end_byte, 1);
  return 0;
}
```