user: What would the C source look like for the assembly code provided here?

```asm
<checkbuffer>:
  endbr64
  push   %r12
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  cmpb   $0xff,(%rdi)
  je     L37
  lea    D89(%rip),%rdi
  mov    $0x1,%r12d
  call   <msg_Dbg@plt>
L70:
  cmpb   $0xff,0x1(%rbx)
  je     L76
  lea    D65(%rip),%rdi
  call   <msg_Dbg@plt>
L19:
  cmpb   $0x1,0x2(%rbx)
  jbe    L15
  lea    D93(%rip),%rdi
  mov    $0x1,%r12d
  call   <msg_Dbg@plt>
  cmpb   $0xff,0x3(%rbx)
  je     L55
L16:
  lea    D33(%rip),%rdi
  call   <msg_Dbg@plt>
  cmpb   $0xff,0x4(%rbx)
  je     L27
L31:
  lea    D82(%rip),%rdi
  call   <msg_Dbg@plt>
L90:
  cmpb   $0x4,0x5(%rbx)
  ja     L39
  lea    D49(%rip),%rdi
  call   <msg_Dbg@plt>
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L39:
  lea    D79(%rip),%rdi
  mov    $0x1,%r12d
  call   <msg_Dbg@plt>
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  ret
  nopl   (%rax)
L15:
  lea    D32(%rip),%rdi
  call   <msg_Dbg@plt>
  cmpb   $0xff,0x3(%rbx)
  jne    L16
L55:
  lea    D38(%rip),%rdi
  mov    $0x1,%r12d
  call   <msg_Dbg@plt>
  cmpb   $0xff,0x4(%rbx)
  jne    L31
L27:
  lea    D60(%rip),%rdi
  mov    $0x1,%r12d
  call   <msg_Dbg@plt>
  jmp    L90
  nopl   0x0(%rax)
L76:
  lea    D37(%rip),%rdi
  mov    $0x1,%r12d
  call   <msg_Dbg@plt>
  jmp    L19
  nop
L37:
  lea    D42(%rip),%rdi
  xor    %r12d,%r12d
  call   <msg_Dbg@plt>
  jmp    L70
```

tool_calls: name: read_data
arguments: tag: D89
datatype: string
name: read_data
arguments: tag: D65
datatype: string
name: read_data
arguments: tag: D93
datatype: string
name: read_data
arguments: tag: D33
datatype: string
name: read_data
arguments: tag: D82
datatype: string
name: read_data
arguments: tag: D49
datatype: string
name: read_data
arguments: tag: D79
datatype: string
name: read_data
arguments: tag: D32
datatype: string
name: read_data
arguments: tag: D38
datatype: string
name: read_data
arguments: tag: D60
datatype: string
name: read_data
arguments: tag: D37
datatype: string
name: read_data
arguments: tag: D42
datatype: string

tool: D89: buffer[0] != 255

tool: D65: buffer[1] <255

tool: D93: buffer[2] >= 2

tool: D33: buffer[3] <255

tool: D82: buffer[4] <255

tool: D49: buffer[5] <5

tool: D79: buffer[5] >= 255

tool: D32: buffer[2] <2

tool: D38: buffer[3] >= 255

tool: D60: buffer[4] >= 255

tool: D37: buffer[1] >= 255

tool: D42: buffer[0] == 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;
}
```