user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<checkbuffer>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xff,%al
  jne    L31
  lea    D20(%rip),%rax
  mov    %rax,%rdi
  call   <msg_Dbg@plt>
  jmp    L93
L31:
  movl   $0x1,-0x4(%rbp)
  lea    D116(%rip),%rax
  mov    %rax,%rdi
  call   <msg_Dbg@plt>
L93:
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0xff,%al
  je     L30
  lea    D73(%rip),%rax
  mov    %rax,%rdi
  call   <msg_Dbg@plt>
  jmp    L24
L30:
  movl   $0x1,-0x4(%rbp)
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  call   <msg_Dbg@plt>
L24:
  mov    -0x18(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  cmp    $0x1,%al
  ja     L117
  lea    D99(%rip),%rax
  mov    %rax,%rdi
  call   <msg_Dbg@plt>
  jmp    L63
L117:
  movl   $0x1,-0x4(%rbp)
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <msg_Dbg@plt>
L63:
  mov    -0x18(%rbp),%rax
  add    $0x3,%rax
  movzbl (%rax),%eax
  cmp    $0xff,%al
  je     L100
  lea    D118(%rip),%rax
  mov    %rax,%rdi
  call   <msg_Dbg@plt>
  jmp    L104
L100:
  movl   $0x1,-0x4(%rbp)
  lea    D117(%rip),%rax
  mov    %rax,%rdi
  call   <msg_Dbg@plt>
L104:
  mov    -0x18(%rbp),%rax
  add    $0x4,%rax
  movzbl (%rax),%eax
  cmp    $0xff,%al
  je     L20
  lea    D39(%rip),%rax
  mov    %rax,%rdi
  call   <msg_Dbg@plt>
  jmp    L88
L20:
  movl   $0x1,-0x4(%rbp)
  lea    D48(%rip),%rax
  mov    %rax,%rdi
  call   <msg_Dbg@plt>
L88:
  mov    -0x18(%rbp),%rax
  add    $0x5,%rax
  movzbl (%rax),%eax
  cmp    $0x4,%al
  ja     L39
  lea    D56(%rip),%rax
  mov    %rax,%rdi
  call   <msg_Dbg@plt>
  jmp    L115
L39:
  movl   $0x1,-0x4(%rbp)
  lea    D96(%rip),%rax
  mov    %rax,%rdi
  call   <msg_Dbg@plt>
L115:
  mov    -0x4(%rbp),%eax
  leave
  ret
```

tool_calls: name: read_data
arguments: label: D20
type_guessed: string
name: read_data
arguments: label: D116
type_guessed: string
name: read_data
arguments: label: D73
type_guessed: string
name: read_data
arguments: label: D2
type_guessed: string
name: read_data
arguments: label: D99
type_guessed: string
name: read_data
arguments: label: D15
type_guessed: string
name: read_data
arguments: label: D118
type_guessed: string
name: read_data
arguments: label: D117
type_guessed: string
name: read_data
arguments: label: D39
type_guessed: string
name: read_data
arguments: label: D48
type_guessed: string
name: read_data
arguments: label: D56
type_guessed: string
name: read_data
arguments: label: D96
type_guessed: string

tool: D20: buffer[0] == 255

tool: D116: buffer[0] != 255

tool: D73: buffer[1] <255

tool: D2: buffer[1] >= 255

tool: D99: buffer[2] <2

tool: D15: buffer[2] >= 2

tool: D118: buffer[3] <255

tool: D117: buffer[3] >= 255

tool: D39: buffer[4] <255

tool: D48: buffer[4] >= 255

tool: D56: buffer[5] <5

tool: D96: buffer[5] >= 255

assistant: ```c
int checkbuffer(unsigned char *buffer) {
  int error = 0;
  if (buffer[0] == 255) {
    msg_Dbg("buffer[0] == 255");
  } else {
    error = 1;
    msg_Dbg("buffer[0] != 255");
  }
  if (buffer[1] < 255) {
    msg_Dbg("buffer[1] <255");
  } else {
    error = 1;
    msg_Dbg("buffer[1] >= 255");
  }
  if (buffer[2] < 2) {
    msg_Dbg("buffer[2] <2");
  } else {
    error = 1;
    msg_Dbg("buffer[2] >= 2");
  }
  if (buffer[3] < 255) {
    msg_Dbg("buffer[3] <255");
  } else {
    error = 1;
    msg_Dbg("buffer[3] >= 255");
  }
  if (buffer[4] < 255) {
    msg_Dbg("buffer[4] <255");
  } else {
    error = 1;
    msg_Dbg("buffer[4] >= 255");
  }
  if (buffer[5] < 5) {
    msg_Dbg("buffer[5] <5");
  } else {
    error = 1;
    msg_Dbg("buffer[5] >= 255");
  }
  return error;
}
```