user: 请从给定的汇编指令推导出C源代码：

```asm
<fake_hostent>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    %r8d,-0x30(%rbp)
  mov    %r9,-0x48(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  sub    $0x1,%rax
  shr    $0x2,%rax
  add    $0x2,%rax
  shl    $0x2,%rax
  sub    $0x1,%rax
  shr    $0x3,%rax
  add    $0x4,%rax
  shl    $0x3,%rax
  mov    %rax,%rcx
  mov    -0x30(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  cmp    %rax,%rcx
  jbe    L9
  mov    D7(%rip),%rax
  mov    (%rax),%edx
  mov    D23(%rip),%rax
  mov    %edx,(%rax)
  mov    $0x0,%eax
  jmp    L19
L9:
  mov    -0x28(%rbp),%rdx
  mov    -0x40(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x40(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  sub    $0x1,%rax
  shr    $0x2,%rax
  add    $0x1,%rax
  shl    $0x2,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x40(%rbp),%rax
  mov    -0x2c(%rbp),%edx
  mov    %edx,(%rax)
  mov    -0x40(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x40(%rbp),%rax
  add    $0x3,%rax
  shr    $0x3,%rax
  add    $0x1,%rax
  shl    $0x3,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x40(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  mov    %rdx,(%rax)
  mov    -0x40(%rbp),%rax
  add    $0x8,%rax
  movq   $0x0,(%rax)
  mov    -0x40(%rbp),%rax
  add    $0x10,%rax
  movq   $0x0,(%rax)
  mov    -0x38(%rbp),%rax
  mov    -0x10(%rbp),%rdx
  mov    %rdx,(%rax)
  mov    -0x40(%rbp),%rax
  lea    0x10(%rax),%rdx
  mov    -0x38(%rbp),%rax
  mov    %rdx,0x8(%rax)
  mov    D0(%rip),%rax
  mov    (%rax),%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,0x20(%rax)
  mov    -0x38(%rbp),%rax
  movl   $0x4,0x10(%rax)
  mov    -0x38(%rbp),%rax
  mov    -0x40(%rbp),%rdx
  mov    %rdx,0x18(%rax)
  mov    -0x38(%rbp),%rax
L19:
  leave
  ret
```

assistant: ```c
struct hostent *fake_hostent(const char *hostname, struct in_addr addr, struct hostent *result, char *buf, int bufsize, int *errval) {
  int len = strlen(hostname);
  char *name, *addr_ptr;
  if ((((char *)(((((long)((((char *)(((((long)((((char *)(((((long)(buf)-1) / sizeof(char)) + 1) * sizeof(char))) + (len + 1) * sizeof(char))) - 1) / sizeof(addr)) + 1) * sizeof(addr))) + (1) * sizeof(addr))) - 1) / sizeof(char *)) + 1) * sizeof(char *))) + (3) * sizeof(char *)) > buf + bufsize) {
    errno = ERANGE;
    return NULL;
  }
  strcpy(buf, hostname);
  name = buf;
  buf = ((char *)(((((long)(buf + len + 1) - 1) / sizeof(addr)) + 1) * sizeof(addr)));
  *((struct in_addr *)buf) = addr;
  addr_ptr = buf;
  buf = ((char *)(((((long)(buf + sizeof(addr)) - 1) / sizeof(char *)) + 1) * sizeof(char *)));
  ((char **)buf)[0] = addr_ptr;
  ((char **)buf)[1] = NULL;
  ((char **)buf)[2] = NULL;
  result->h_name = name;
  result->h_aliases = ((char **)buf) + 2;
  result->h_addrtype = AF_INET;
  result->h_length = sizeof(addr);
  result->h_addr_list = (char **)buf;
  return result;
}
```