user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<ss_listen_on_ipv6_socket_impl>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %esi,%eax
  mov    %edx,-0x40(%rbp)
  mov    %ax,-0x3c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x14(%rbp),%rax
  mov    $0xc,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    D91(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0xc(%rbp)
  cmpq   $0x0,-0x38(%rbp)
  je     L38
  mov    D91(%rip),%rax
  mov    (%rax),%eax
  lea    -0x14(%rbp),%rdx
  add    $0x4,%rdx
  mov    -0x38(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <inet_pton@plt>
  cmp    $0x1,%eax
  je     L96
  mov    $0xffffffff,%eax
  jmp    L50
L38:
  mov    D21(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x10(%rbp)
L96:
  mov    D3(%rip),%rax
  mov    (%rax),%ecx
  mov    D91(%rip),%rax
  mov    (%rax),%eax
  mov    $0x0,%edx
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <socket@plt>
  mov    %eax,-0x20(%rbp)
  cmpl   $0xffffffff,-0x20(%rbp)
  jne    L94
  mov    $0xfffffffe,%eax
  jmp    L50
L94:
  mov    D15(%rip),%rax
  mov    (%rax),%edx
  mov    -0x20(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <fcntl@plt>
  mov    %eax,%edx
  mov    D65(%rip),%rax
  mov    (%rax),%eax
  or     %eax,%edx
  mov    D54(%rip),%rax
  mov    (%rax),%ecx
  mov    -0x20(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <fcntl@plt>
  movl   $0x1,-0x24(%rbp)
  mov    D120(%rip),%rax
  mov    (%rax),%edx
  mov    D87(%rip),%rax
  mov    (%rax),%esi
  lea    -0x24(%rbp),%rcx
  mov    -0x20(%rbp),%eax
  mov    $0x4,%r8d
  mov    %eax,%edi
  call   <setsockopt@plt>
  movzwl -0x3c(%rbp),%eax
  mov    %eax,%edi
  call   <htons@plt>
  mov    %eax,-0x14(%rbp)
  lea    -0x14(%rbp),%rcx
  mov    -0x20(%rbp),%eax
  mov    $0xc,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <bind@plt>
  cmp    $0xffffffff,%eax
  jne    L69
  mov    D60(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x18(%rbp)
  mov    -0x20(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    D60(%rip),%rax
  mov    -0x18(%rbp),%edx
  mov    %edx,(%rax)
  mov    $0xfffffffd,%eax
  jmp    L50
L69:
  mov    -0x40(%rbp),%edx
  mov    -0x20(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <listen@plt>
  cmp    $0xffffffff,%eax
  jne    L7
  mov    D60(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x1c(%rbp)
  mov    -0x20(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    D60(%rip),%rax
  mov    -0x1c(%rbp),%edx
  mov    %edx,(%rax)
  mov    $0xfffffffc,%eax
  jmp    L50
L7:
  mov    -0x20(%rbp),%eax
L50:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L8
  call   <__stack_chk_fail@plt>
L8:
  leave
  ret
```

assistant: ```c
int ss_listen_on_ipv6_socket_impl(const char *address, unsigned short port, int backlog) {
  struct sockaddr_in6 addr;
  memset(&addr, 0, sizeof(addr));
  addr.sin6_family = AF_INET6;
  if (address) {
    if (!(inet_pton(AF_INET6, address, &(addr.sin6_addr)) == 1))
      return -1;
  } else
    addr.sin6_addr = in6addr_any;
  int sock = socket(AF_INET6, SOCK_STREAM, 0);
  if (sock == -1)
    return -2;
  fcntl(sock, F_SETFD, fcntl(sock, F_GETFD) | FD_CLOEXEC);
  int optval = 1;
  setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval));
  addr.sin6_port = htons(port);
  if ((bind(sock, (struct sockaddr *)&addr, sizeof(addr))) == -1) {
    int saved_errno = errno;
    close(sock);
    errno = saved_errno;
    return -3;
  }
  if ((listen(sock, backlog)) == -1) {
    int saved_errno = errno;
    close(sock);
    errno = saved_errno;
    return -4;
  }
  return sock;
}
```