user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<get_input_line>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  mov    %rdx,%r13
  mov    %rcx,0x8(%rsp)
  mov    %r8d,0x4(%rsp)
  mov    %r9d,%r12d
  mov    $0x0,%esi
  mov    $0x0,%eax
  call   <message@plt>
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %eax,(%rsp)
  mov    $0x0,%ebp
  cmpb   $0x0,(%rbx)
  jne    L174
L176:
  mov    $0x8002400,%r14d
  jmp    L6
L174:
  mov    %rax,%r14
  lea    0x1(%rax),%esi
  mov    %rbx,%rdx
  mov    $0x0,%edi
  mov    $0x0,%eax
  call   <mvaddstr@plt>
  mov    %rbx,%rsi
  mov    %r13,%rdi
  call   <strcpy@plt>
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %eax,%ebp
  lea    0x1(%rax,%r14,1),%esi
  mov    $0x0,%edi
  mov    $0x0,%eax
  call   <move@plt>
  mov    $0x0,%eax
  call   <refresh@plt>
  jmp    L176
L229:
  sub    $0x1,%ebp
L14:
  mov    $0x0,%eax
  call   <refresh@plt>
L6:
  mov    $0x0,%eax
  call   <rgetchar@plt>
  mov    %eax,%ebx
  cmp    $0x1b,%eax
  ja     L197
  bt     %rax,%r14
  jb     L50
L193:
  cmp    $0x8,%ebx
  jne    L14
  test   %ebp,%ebp
  jle    L14
  test   %r12d,%r12d
  je     L229
  mov    (%rsp),%eax
  lea    0x0(%rbp,%rax,1),%ebx
  mov    $0x20,%edx
  mov    %ebx,%esi
  mov    $0x0,%edi
  mov    $0x0,%eax
  call   <mvaddch@plt>
  mov    %ebx,%esi
  mov    $0x0,%edi
  mov    $0x0,%eax
  call   <move@plt>
  jmp    L229
L50:
  mov    $0x0,%eax
  call   <check_message@plt>
  cmpl   $0x0,0x4(%rsp)
  jne    L158
  test   %ebp,%ebp
  jle    L2
  movslq %ebp,%rax
  lea    -0x1(%r13,%rax,1),%rax
L104:
  cmpb   $0x20,(%rax)
  jne    L2
  sub    $0x1,%rax
  sub    $0x1,%ebp
  jne    L104
  movb   $0x0,0x0(%r13)
  jmp    L132
L158:
  lea    0x1(%rbp),%eax
  movslq %ebp,%rbp
  movb   $0x20,0x0(%r13,%rbp,1)
  movslq %eax,%rdx
  movb   $0x0,0x0(%r13,%rdx,1)
  cmp    $0x1b,%ebx
  je     L132
  test   %eax,%eax
  je     L132
  mov    %eax,%ebp
  cmp    $0x1,%eax
  jne    L201
L132:
  mov    $0x0,%ebp
  mov    0x8(%rsp),%rax
  test   %rax,%rax
  je     L201
  mov    $0x0,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <message@plt>
  jmp    L201
L2:
  movslq %ebp,%rax
  movb   $0x0,0x0(%r13,%rax,1)
  cmp    $0x1b,%ebx
  je     L132
  test   %ebp,%ebp
  je     L132
L201:
  mov    %ebp,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L197:
  lea    -0x20(%rax),%eax
  cmp    $0x5e,%eax
  ja     L193
  cmp    $0x1b,%ebp
  jg     L193
  cmp    $0x20,%ebx
  jne    L240
  test   %ebp,%ebp
  jle    L14
L240:
  lea    0x1(%rbp),%r15d
  movslq %ebp,%rbp
  mov    %bl,0x0(%r13,%rbp,1)
  mov    %r15d,%ebp
  test   %r12d,%r12d
  je     L14
  mov    %ebx,%edi
  mov    $0x0,%eax
  call   <addch@plt>
  jmp    L14
```

assistant: ```c
int get_input_line(prompt, insert, buf, if_cancelled, add_blank, do_echo)
char *prompt, *buf, *insert;
char *if_cancelled;
int add_blank;
int do_echo;
{
  int ch;
  int i = 0, n;
  message(prompt, 0);
  n = strlen(prompt);
  if (insert[0]) {
    mvaddstr(0, n + 1, insert);
    (void)strcpy(buf, insert);
    i = strlen(insert);
    move(0, (n + i + 1));
    refresh();
  }
  while (((ch = rgetchar()) != '\r') && (ch != '\n') && (ch != '\033')) {
    if ((ch >= ' ') && (ch <= '~') && (i < 30 - 2)) {
      if ((ch != ' ') || (i > 0)) {
        buf[i++] = ch;
        if (do_echo) {
          addch(ch);
        }
      }
    }
    if ((ch == '\b') && (i > 0)) {
      if (do_echo) {
        mvaddch(0, i + n, ' ');
        move(1 - 1, i + n);
      }
      i--;
    }
    refresh();
  }
  check_message();
  if (add_blank) {
    buf[i++] = ' ';
  } else {
    while ((i > 0) && (buf[i - 1] == ' ')) {
      i--;
    }
  }
  buf[i] = 0;
  if ((ch == '\033') || (i == 0) || ((i == 1) && add_blank)) {
    if (if_cancelled) {
      message(if_cancelled, 0);
    }
    return (0);
  }
  return (i);
}
```