user: 请将以下的汇编代码转换成C语言代码:

```asm
<parseurl>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  mov    %r8,-0x38(%rbp)
  mov    -0x18(%rbp),%rax
  lea    D8(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strstr@plt>
  mov    -0x20(%rbp),%rdx
  mov    %rax,(%rdx)
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  je     L64
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  movb   $0x0,(%rax)
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  add    $0x3,%rax
  mov    %rax,%rdi
  call   <xstrdup@plt>
  mov    -0x20(%rbp),%rdx
  mov    %rax,(%rdx)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <xstrdup@plt>
  mov    -0x30(%rbp),%rdx
  mov    %rax,(%rdx)
  jmp    L40
L64:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <xstrdup@plt>
  mov    -0x20(%rbp),%rdx
  mov    %rax,(%rdx)
  lea    D13(%rip),%rax
  mov    %rax,%rdi
  call   <xstrdup@plt>
  mov    -0x30(%rbp),%rdx
  mov    %rax,(%rdx)
L40:
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L79
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x20(%rbp),%rax
  movq   $0x0,(%rax)
  mov    -0x38(%rbp),%rax
  movq   $0x0,(%rax)
  jmp    L43
L79:
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  mov    $0x2f,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    -0x28(%rbp),%rdx
  mov    %rax,(%rdx)
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  je     L62
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <xstrdup@plt>
  mov    -0x28(%rbp),%rdx
  mov    %rax,(%rdx)
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
  jmp    L39
L62:
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <xstrdup@plt>
  mov    -0x28(%rbp),%rdx
  mov    %rax,(%rdx)
L39:
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  mov    $0x3a,%esi
  mov    %rax,%rdi
  call   <strrchr@plt>
  mov    -0x38(%rbp),%rdx
  mov    %rax,(%rdx)
  mov    -0x38(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  je     L3
  mov    -0x38(%rbp),%rax
  mov    (%rax),%rax
  lea    0x1(%rax),%rcx
  mov    -0x38(%rbp),%rdx
  mov    %rcx,(%rdx)
  movb   $0x0,(%rax)
  jmp    L19
L3:
  mov    -0x30(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <proto_default_port@plt>
  mov    -0x38(%rbp),%rdx
  mov    %rax,(%rdx)
L19:
  mov    -0x38(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <xstrdup@plt>
  mov    -0x38(%rbp),%rdx
  mov    %rax,(%rdx)
L43:
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D8
type_guessed: string
name: unpack_data
arguments: data_tag: D13
type_guessed: string
name: unpack_data
arguments: data_tag: D5
type_guessed: string

tool: D8: ://

tool: D13: http

tool: D5: /

assistant: ```c
int parseurl(const char *url, char **phost, char **pfile, char **pproto, char **pport) {
  if (((*phost) = strstr(url, "://"))) {
    *(*phost) = '\0';
    (*phost) = xstrdup((*phost) + 3);
    (*pproto) = xstrdup(url);
  } else {
    (*phost) = xstrdup(url);
    (*pproto) = xstrdup("http");
  }
  if (*(*phost) == '/') {
    (*pfile) = (*phost);
    (*phost) = NULL;
    (*pport) = NULL;
  } else {
    (*pfile) = strchr((*phost), '/');
    if ((*pfile)) {
      char *slash = (*pfile);
      (*pfile) = xstrdup((*pfile));
      *slash = '\0';
    } else {
      (*pfile) = xstrdup("/");
    }
    if (((*pport) = strrchr((*phost), ':')))
      *(*pport)++ = '\0';
    else
      (*pport) = proto_default_port((*pproto));
    (*pport) = xstrdup((*pport));
  }
  return 0;
}
```