user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<x49_Tag_DescriptorParser>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  movl   $0x0,-0x4(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  jne    L27
  mov    $0xffffffff,%eax
  jmp    L11
L27:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%edx
  mov    -0x14(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <Parser_DisplayTagInfo@plt>
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movzbl %al,%edx
  mov    -0x14(%rbp),%eax
  lea    D27(%rip),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <Parser_TsPacketLog@plt>
  mov    -0x20(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  shr    $0x7,%al
  movzbl %al,%edx
  mov    -0x14(%rbp),%eax
  lea    D13(%rip),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <Parser_TsPacketLog@plt>
  movl   $0x1,-0x4(%rbp)
  jmp    L30
L32:
  mov    -0x4(%rbp),%eax
  add    $0x2,%eax
  mov    %eax,%edx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  shl    $0x10,%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    $0x3,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  shl    $0x8,%eax
  or     %eax,%edx
  mov    -0x4(%rbp),%eax
  add    $0x4,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  or     %eax,%edx
  mov    -0x14(%rbp),%eax
  lea    D44(%rip),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <Parser_TsPacketLog@plt>
  mov    -0x4(%rbp),%eax
  add    $0x4,%eax
  mov    %eax,%edx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%esi
  mov    -0x4(%rbp),%eax
  add    $0x3,%eax
  mov    %eax,%edx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%ecx
  mov    -0x4(%rbp),%eax
  add    $0x2,%eax
  mov    %eax,%edx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%edx
  mov    -0x14(%rbp),%eax
  mov    %esi,%r8d
  lea    D0(%rip),%rsi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <Parser_TsPacketLog@plt>
  addl   $0x3,-0x4(%rbp)
L30:
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  cmp    %eax,-0x4(%rbp)
  jb     L32
  mov    -0x14(%rbp),%eax
  lea    D12(%rip),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <Parser_TsPacketLog@plt>
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
L11:
  leave
  ret
```

tool_calls: name: read_data
arguments: data_tag: D27
type: string
name: read_data
arguments: data_tag: D13
type: string
name: read_data
arguments: data_tag: D44
type: string
name: read_data
arguments: data_tag: D0
type: string
name: read_data
arguments: data_tag: D12
type: string

tool: D27: Descriptor_length = 0x%x


tool: D13: country_availability_flag = 0x%x


tool: D44: country_code = 0x%x


tool: D0: country_code : %c%c%c


tool: D12: ******END******


assistant: ```c
int x49_Tag_DescriptorParser(unsigned int type, unsigned char *buff) {
  unsigned int i = 0;
  if (NULL == buff) {
    return -1;
  }
  Parser_DisplayTagInfo(type, buff[0]);
  Parser_TsPacketLog(type, "Descriptor_length = 0x%x\n", buff[1]);
  Parser_TsPacketLog(type, "country_availability_flag = 0x%x\n", (buff[2] & 0x80) >> 7);
  for (i = 1; i < buff[1]; i += 3) {
    Parser_TsPacketLog(type, "country_code = 0x%x\n", ((buff[i + 2] & 0xFF) << 16) | ((buff[i + 3] & 0xFF) << 8) | (buff[i + 4] & 0xFF));
    Parser_TsPacketLog(type, "country_code : %c%c%c\n", (buff[i + 2] & 0xFF), (buff[i + 3] & 0xFF), (buff[i + 4] & 0xFF));
  }
  Parser_TsPacketLog(type, "******END******\n");
  return buff[1];
}
```