user: 这段汇编代码用C语言表示是什么样的:

```asm
<getLine>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  movl   $0x2004,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  mov    %eax,-0x20(%rbp)
  movl   $0x0,-0x1c(%rbp)
  mov    -0x38(%rbp),%rax
  movq   $0x0,(%rax)
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <feof@plt>
  test   %rax,%rax
  je     L138
  mov    $0xffffffff,%eax
  jmp    L120
L138:
  mov    -0x24(%rbp),%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  jne    L121
  mov    $0xffffffff,%eax
  jmp    L120
L121:
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L133
L97:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x1c(%rbp)
  mov    -0x10(%rbp),%rax
  mov    $0xa,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L57
  mov    -0x8(%rbp),%rax
  sub    -0x18(%rbp),%rax
  add    $0x1,%eax
  mov    %eax,-0x1c(%rbp)
  jmp    L55
L57:
  shll   -0x24(%rbp)
  mov    -0x24(%rbp),%eax
  sub    -0x1c(%rbp),%eax
  mov    %eax,-0x20(%rbp)
  mov    -0x24(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <realloc@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L73
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0xffffffff,%eax
  jmp    L120
L73:
  mov    -0x10(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,-0x8(%rbp)
L133:
  mov    -0x40(%rbp),%rdx
  mov    -0x20(%rbp),%ecx
  mov    -0x10(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L97
L55:
  jmp    L26
L43:
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
  subl   $0x1,-0x1c(%rbp)
  subq   $0x1,-0x8(%rbp)
L26:
  mov    -0x8(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jbe    L169
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L43
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L43
L169:
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L173
L68:
  addq   $0x1,-0x10(%rbp)
  subl   $0x1,-0x1c(%rbp)
L173:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L68
  mov    -0x1c(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    -0x38(%rbp),%rdx
  mov    %rax,(%rdx)
  mov    -0x38(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L21
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0xffffffff,%eax
  jmp    L120
L21:
  mov    -0x1c(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x38(%rbp),%rax
  mov    (%rax),%rax
  mov    -0x10(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x1c(%rbp),%eax
L120:
  leave
  ret
```

assistant: ```c
int getLine(char **s, FILE *fd) {
  int len = 8196;
  int toread = len;
  int l = 0;
  char *ptr, *p, *q;
  *s = NULL;
  if (feof(fd))
    return -1;
  q = ptr = malloc(len);
  if (ptr == NULL)
    return -1;
  *q = 0;
  p = q = ptr;
  while (fgets(p, toread, fd) != NULL) {
    l = strlen(ptr);
    q = strchr(p, '\n');
    if (q != NULL) {
      l = q - ptr + 1;
      break;
    }
    len *= 2;
    toread = len - l;
    p = realloc(ptr, len);
    if (p == NULL) {
      free(ptr);
      return -1;
    }
    ptr = p;
    q = p = ptr + l;
  }
  while (q > ptr && (*q == '\0' || isspace(*q))) {
    *q = '\0';
    l--;
    q--;
  }
  for (p = ptr; isspace(*p); p++, l--)
    ;
  if ((*s = malloc(l + 1)) == NULL) {
    free(ptr);
    return -1;
  }
  memcpy(*s, p, l + 1);
  free(ptr);
  return l;
}
```