user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<__imlib_RotateSample>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    %ecx,-0x28(%rbp)
  mov    %r8d,-0x2c(%rbp)
  mov    %r9d,-0x30(%rbp)
  cmpl   $0x0,0x10(%rbp)
  jle    L49
  cmpl   $0x0,0x18(%rbp)
  jle    L49
  mov    0x48(%rbp),%r9d
  mov    0x40(%rbp),%r8d
  mov    0x38(%rbp),%ecx
  mov    0x30(%rbp),%edx
  mov    0x28(%rbp),%esi
  mov    0x20(%rbp),%eax
  mov    -0x2c(%rbp),%edi
  push   %rdi
  mov    -0x28(%rbp),%edi
  push   %rdi
  mov    0x18(%rbp),%edi
  push   %rdi
  mov    0x10(%rbp),%edi
  push   %rdi
  mov    %eax,%edi
  call   <__check_inside_coords@plt>
  add    $0x20,%rsp
  test   %rax,%rax
  je     L47
  mov    0x18(%rbp),%r8d
  mov    -0x30(%rbp),%ecx
  mov    -0x24(%rbp),%edx
  mov    -0x20(%rbp),%rsi
  mov    -0x18(%rbp),%rax
  mov    0x48(%rbp),%edi
  push   %rdi
  mov    0x40(%rbp),%edi
  push   %rdi
  mov    0x38(%rbp),%edi
  push   %rdi
  mov    0x30(%rbp),%edi
  push   %rdi
  mov    0x28(%rbp),%edi
  push   %rdi
  mov    0x20(%rbp),%edi
  push   %rdi
  mov    %r8d,%r9d
  mov    0x10(%rbp),%r8d
  mov    %rax,%rdi
  call   <__imlib_RotateSampleInside@plt>
  add    $0x30,%rsp
  jmp    L41
L47:
  shll   $0xc,-0x28(%rbp)
  shll   $0xc,-0x2c(%rbp)
L9:
  mov    0x10(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x4(%rbp)
L6:
  mov    0x20(%rbp),%edx
  mov    -0x28(%rbp),%eax
  cmp    %eax,%edx
  jae    L93
  mov    0x28(%rbp),%edx
  mov    -0x2c(%rbp),%eax
  cmp    %eax,%edx
  jae    L93
  mov    0x20(%rbp),%eax
  sar    $0xc,%eax
  mov    %eax,%edx
  mov    0x28(%rbp),%eax
  sar    $0xc,%eax
  imul   -0x24(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x20(%rbp),%rax
  mov    %edx,(%rax)
  jmp    L78
L93:
  mov    -0x20(%rbp),%rax
  movl   $0x0,(%rax)
L78:
  mov    0x30(%rbp),%eax
  add    %eax,0x20(%rbp)
  mov    0x38(%rbp),%eax
  add    %eax,0x28(%rbp)
  addq   $0x4,-0x20(%rbp)
  subl   $0x1,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jns    L6
  subl   $0x1,0x18(%rbp)
  cmpl   $0x0,0x18(%rbp)
  jle    L14
  mov    0x10(%rbp),%eax
  imul   0x30(%rbp),%eax
  mov    %eax,%edx
  mov    0x40(%rbp),%eax
  sub    %edx,%eax
  add    %eax,0x20(%rbp)
  mov    0x10(%rbp),%eax
  imul   0x38(%rbp),%eax
  mov    %eax,%edx
  mov    0x48(%rbp),%eax
  sub    %edx,%eax
  add    %eax,0x28(%rbp)
  mov    -0x30(%rbp),%eax
  sub    0x10(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rax,-0x20(%rbp)
  jmp    L9
L49:
  nop
  jmp    L41
L14:
  nop
L41:
  leave
  ret
```

assistant: ```c
void __imlib_RotateSample(unsigned int *src, unsigned int *dest, int sow, int sw, int sh, int dow, int dw, int dh, int x, int y, int dxh, int dyh, int dxv, int dyv) {
  int i;
  if ((dw < 1) || (dh < 1))
    return;
  if (__check_inside_coords(x, y, dxh, dyh, dxv, dyv, dw, dh, sw, sh)) {
    __imlib_RotateSampleInside(src, dest, sow, dow, dw, dh, x, y, dxh, dyh, dxv, dyv);
    return;
  }
  sw <<= 12;
  sh <<= 12;
  while (1) {
    i = dw - 1;
    do {
      if (((unsigned)x < sw) && ((unsigned)y < sh))
        *dest = src[(x >> 12) + ((y >> 12) * sow)];
      else
        *dest = 0;
      x += dxh;
      y += dyh;
      dest++;
    } while (--i >= 0);
    if (--dh <= 0)
      break;
    x += dxv - dw * dxh;
    y += dyv - dw * dyh;
    dest += (dow - dw);
  }
}
```