user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<ui_box>:
  endbr64
  push   %r15
  mov    %edx,%r15d
  push   %r14
  mov    %esi,%r14d
  push   %r13
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  push   %rbx
  mov    %ecx,%ebx
  sub    $0x18,%rsp
  mov    %edx,0xc(%rsp)
  mov    %r8d,(%rsp)
  call   <move@plt>
  test   %ebx,%ebx
  jle    L146
  xor    %eax,%eax
  test   %r15d,%r15d
  je     L119
  lea    0x1(%rax),%ebp
  test   %eax,%eax
  je     L133
L84:
  cmp    %ebp,%ebx
  jle    L69
  mov    D16(%rip),%rax
  movsbl (%rax),%edi
  call   <addch@plt>
L103:
  mov    %ebp,%eax
  lea    0x1(%rax),%ebp
  test   %eax,%eax
  jne    L84
L133:
  mov    D50(%rip),%rax
  movsbl (%rax),%edi
  call   <addch@plt>
  cmp    $0x1,%ebx
  jne    L103
L146:
  mov    0xc(%rsp),%eax
  cmp    $0x1,%eax
  jle    L17
L68:
  cmp    $0x2,%eax
  je     L140
  sub    $0x1,%eax
  mov    D72(%rip),%r13
  mov    %r12d,%ebp
  mov    %eax,0x4(%rsp)
  lea    (%r14,%rbx,1),%eax
  mov    %eax,0x8(%rsp)
  jmp    L58
  nopl   (%rax)
L193:
  mov    0x8(%rsp),%eax
  mov    %ebp,%edi
  lea    -0x1(%rax),%esi
  call   <move@plt>
L109:
  movsbl 0x0(%r13),%edi
  call   <addch@plt>
  mov    0x4(%rsp),%eax
  add    %r12d,%eax
  sub    %ebp,%eax
  cmp    $0x1,%eax
  je     L169
L58:
  add    $0x1,%ebp
  mov    %r14d,%esi
  mov    %ebp,%edi
  call   <move@plt>
  movsbl 0x0(%r13),%edi
  call   <addch@plt>
  mov    (%rsp),%eax
  test   %eax,%eax
  je     L193
  mov    $0x2,%r15d
  cmp    $0x2,%ebx
  jle    L109
  nopw   0x0(%rax,%rax,1)
L172:
  mov    $0x20,%edi
  add    $0x1,%r15d
  call   <addch@plt>
  cmp    %r15d,%ebx
  jne    L172
  jmp    L109
  nopl   (%rax)
L69:
  mov    D33(%rip),%rax
  movsbl (%rax),%edi
  call   <addch@plt>
  mov    0xc(%rsp),%eax
  cmp    $0x1,%eax
  jg     L68
L17:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L169:
  mov    0xc(%rsp),%eax
  lea    -0x2(%r12,%rax,1),%r12d
L140:
  lea    0x1(%r12),%edi
  mov    %r14d,%esi
  call   <move@plt>
  test   %ebx,%ebx
  jle    L17
  xor    %ebp,%ebp
L190:
  add    $0x1,%ebp
  cmp    $0x1,%ebp
  je     L189
L6:
  cmp    %ebp,%ebx
  jle    L114
  mov    D16(%rip),%rax
  add    $0x1,%ebp
  movsbl (%rax),%edi
  call   <addch@plt>
  cmp    $0x1,%ebp
  jne    L6
L189:
  mov    D28(%rip),%rax
  movsbl (%rax),%edi
  call   <addch@plt>
  cmp    $0x1,%ebx
  jne    L190
  jmp    L17
  nopl   (%rax)
L114:
  mov    D58(%rip),%rax
  movsbl (%rax),%edi
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <addch@plt>
  nopl   (%rax)
L119:
  mov    D16(%rip),%r12
  xor    %ebp,%ebp
  nopl   0x0(%rax)
L96:
  movsbl (%r12),%edi
  add    $0x1,%ebp
  call   <addch@plt>
  cmp    %ebp,%ebx
  jne    L96
  jmp    L17
```

assistant: ```c
void ui_box(int y, int x, int height, int width, int fill) {
  int i;
  move(y, x);
  for (i = 0; i < width; i++) {
    if (height && i == 0) {
      addch(ACS_ULCORNER);
    } else if (height && i + 1 >= width) {
      addch(ACS_URCORNER);
    } else {
      addch(ACS_HLINE);
    }
  }
  if (height > 1) {
    while (--height > 1) {
      move(++y, x);
      addch(ACS_VLINE);
      if (fill) {
        for (i = 2; i < width; i++) {
          addch(' ');
        }
      } else {
        move(y, x + width - 1);
      }
      addch(ACS_VLINE);
    }
    move(++y, x);
    for (i = 0; i < width; i++) {
      if (i == 0) {
        addch(ACS_LLCORNER);
      } else if (i + 1 >= width) {
        addch(ACS_LRCORNER);
      } else {
        addch(ACS_HLINE);
      }
    }
  }
}
```