user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<addrtype>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    $0x6,%edx
  lea    D18(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncasecmp@plt>
  test   %eax,%eax
  jne    L232
  mov    -0x8(%rbp),%rax
  add    $0x6,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L24
  mov    -0x8(%rbp),%rax
  add    $0x6,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L232
L24:
  mov    $0x1,%eax
  jmp    L50
L232:
  mov    -0x8(%rbp),%rax
  mov    $0x7,%edx
  lea    D20(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncasecmp@plt>
  test   %eax,%eax
  jne    L122
  mov    -0x8(%rbp),%rax
  add    $0x7,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L222
  mov    -0x8(%rbp),%rax
  add    $0x7,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L122
L222:
  mov    $0x2,%eax
  jmp    L50
L122:
  mov    -0x8(%rbp),%rax
  mov    $0x7,%edx
  lea    D38(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncasecmp@plt>
  test   %eax,%eax
  jne    L228
  mov    -0x8(%rbp),%rax
  add    $0x7,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L63
  mov    -0x8(%rbp),%rax
  add    $0x7,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L228
L63:
  mov    $0x3,%eax
  jmp    L50
L228:
  mov    -0x8(%rbp),%rax
  mov    $0x8,%edx
  lea    D32(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncasecmp@plt>
  test   %eax,%eax
  jne    L21
  mov    -0x8(%rbp),%rax
  add    $0x8,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L218
  mov    -0x8(%rbp),%rax
  add    $0x8,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L21
L218:
  mov    $0x4,%eax
  jmp    L50
L21:
  mov    -0x8(%rbp),%rax
  mov    $0x4,%edx
  lea    D40(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncasecmp@plt>
  test   %eax,%eax
  jne    L10
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L82
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L10
L82:
  mov    $0x5,%eax
  jmp    L50
L10:
  mov    -0x8(%rbp),%rax
  mov    $0x4,%edx
  lea    D43(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncasecmp@plt>
  test   %eax,%eax
  jne    L117
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L134
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L117
L134:
  mov    $0x6,%eax
  jmp    L50
L117:
  mov    $0x0,%eax
L50:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D18
data_type: string
name: extract_symbolic_data
arguments: data_tag: D20
data_type: string
name: extract_symbolic_data
arguments: data_tag: D38
data_type: string
name: extract_symbolic_data
arguments: data_tag: D32
data_type: string
name: extract_symbolic_data
arguments: data_tag: D40
data_type: string
name: extract_symbolic_data
arguments: data_tag: D43
data_type: string

tool: D18: MYADDR

tool: D20: MYADDR6

tool: D38: HISADDR

tool: D32: HISADDR6

tool: D40: DNS0

tool: D43: DNS1

assistant: ```c
unsigned addrtype(const char *addr) {
  if (!strncasecmp(addr, "MYADDR", 6) && (addr[6] == '\0' || addr[6] == '/'))
    return 1;
  if (!strncasecmp(addr, "MYADDR6", 7) && (addr[7] == '\0' || addr[7] == '/'))
    return 2;
  if (!strncasecmp(addr, "HISADDR", 7) && (addr[7] == '\0' || addr[7] == '/'))
    return 3;
  if (!strncasecmp(addr, "HISADDR6", 8) && (addr[8] == '\0' || addr[8] == '/'))
    return 4;
  if (!strncasecmp(addr, "DNS0", 4) && (addr[4] == '\0' || addr[4] == '/'))
    return 5;
  if (!strncasecmp(addr, "DNS1", 4) && (addr[4] == '\0' || addr[4] == '/'))
    return 6;
  return 0;
}
```