user: 下面的汇编指令对应的C源代码是什么：

```asm
<cmdline_parsefor_ipv46>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x1,-0x4(%rbp)
  jmp    L116
L42:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    $0x5,%edx
  lea    D23(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <tox_strncasecmp@plt>
  test   %eax,%eax
  jne    L83
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  add    $0x5,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L51
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  add    $0x6,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L51
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  movzbl 0x5(%rax),%eax
  mov    %al,-0x9(%rbp)
  cmpb   $0x34,-0x9(%rbp)
  jne    L103
  mov    -0x28(%rbp),%rax
  movl   $0x0,(%rax)
  jmp    L126
L103:
  cmpb   $0x36,-0x9(%rbp)
  jne    L86
  mov    -0x28(%rbp),%rax
  movl   $0x1,(%rax)
  jmp    L126
L86:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,%rsi
  lea    D24(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0xffffffff,%eax
  jmp    L72
L51:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,%rsi
  lea    D24(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0xffffffff,%eax
  jmp    L72
L126:
  mov    -0x4(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x8(%rbp)
  je     L57
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,%rsi
  lea    D37(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0xffffffff,%eax
  jmp    L72
L57:
  addl   $0x1,-0x8(%rbp)
L83:
  addl   $0x1,-0x4(%rbp)
L116:
  mov    -0x4(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jl     L42
  mov    -0x8(%rbp),%eax
L72:
  leave
  ret
```

tool_calls: name: read_data
arguments: data_tag: D23
type_guessed: string
name: read_data
arguments: data_tag: D24
type_guessed: string
name: read_data
arguments: data_tag: D37
type_guessed: string

tool: D23: --ipv

tool: D24: Invalid argument: %s. Try --ipv4 or --ipv6!


tool: D37: Argument must come first: %s.


assistant: ```c
int cmdline_parsefor_ipv46(int argc, char **argv, uint8_t *ipv6enabled) {
  int argvoffset = 0, argi;
  for (argi = 1; argi < argc; argi++) {
    if (!tox_strncasecmp(argv[argi], "--ipv", 5)) {
      if (argv[argi][5] && !argv[argi][6]) {
        char c = argv[argi][5];
        if (c == '4') {
          *ipv6enabled = 0;
        } else if (c == '6') {
          *ipv6enabled = 1;
        } else {
          printf("Invalid argument: %s. Try --ipv4 or --ipv6!\n", argv[argi]);
          return -1;
        }
      } else {
        printf("Invalid argument: %s. Try --ipv4 or --ipv6!\n", argv[argi]);
        return -1;
      }
      if (argvoffset != argi - 1) {
        printf("Argument must come first: %s.\n", argv[argi]);
        return -1;
      }
      argvoffset++;
    }
  }
  return argvoffset;
}
```