user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<draw>:
  endbr64
  push   %rbp
  mov    %esi,%r9d
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  lea    (%rdi,%rdi,1),%ebx
  lea    0x1(%rbx),%r8d
  movslq %ebx,%r10
  movslq %r8d,%r13
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %r10,%rax
  mov    %rsp,%rcx
  imul   %r13,%rax
  add    $0xf,%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L119
L266:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L266
L119:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L486
L693:
  mov    %rsp,%r12
  xor    %esi,%esi
  xor    %ecx,%ecx
  test   %ebx,%ebx
  jle    L434
  nopl   (%rax)
L615:
  imul   %r13,%rcx
  xor    %edx,%edx
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L158:
  add    %r12,%rax
  add    $0x1,%edx
  movb   $0x20,(%rax,%rcx,1)
  movsbq %dl,%rax
  cmp    %eax,%ebx
  jge    L158
  add    $0x1,%esi
  movsbq %sil,%rcx
  cmp    %ecx,%ebx
  jg     L615
  mov    %r8d,%r11d
  lea    0x1(%r13),%rsi
  xor    %ecx,%ecx
  xor    %eax,%eax
  shr    $0x1f,%r11d
  mov    %rsi,-0x48(%rbp)
  add    %r12,%r10
  add    %r8d,%r11d
  lea    -0x1(%rbx),%r8d
  sar    %r11d
  nopl   (%rax)
L442:
  test   %cl,%cl
  je     L81
  cmp    %eax,%r11d
  jg     L573
  cmp    %r8d,%eax
  je     L82
  mov    %ebx,%r14d
  xor    %edx,%edx
  sub    %eax,%r14d
  nopw   0x0(%rax,%rax,1)
L197:
  add    $0x1,%edx
  movsbl %dl,%esi
  cmp    %esi,%ebx
  jge    L197
  mov    %rax,%rdx
  imul   -0x48(%rbp),%rax
  movslq %r14d,%r14
  imul   %r13,%rdx
  add    %r12,%r14
  movb   $0x2a,(%r12,%rdx,1)
  movb   $0x2a,(%r10,%rdx,1)
  movb   $0x2a,(%r12,%rax,1)
  movb   $0x2a,(%r14,%rdx,1)
  nopl   0x0(%rax,%rax,1)
L115:
  add    $0x1,%ecx
  movsbq %cl,%rax
  cmp    %eax,%ebx
  jg     L442
  mov    %r8d,%r11d
  lea    -0x1(%rdi),%r14d
  xor    %ecx,%ecx
  xor    %eax,%eax
  sub    %r9d,%r11d
  nopl   0x0(%rax)
L189:
  cmp    %r8d,%eax
  setne  %dl
  cmp    %eax,%edi
  setne  %sil
  and    %esi,%edx
  cmp    %eax,%edi
  setg   %sil
  cmp    %eax,%r9d
  setl   %r10b
  and    %r10d,%esi
  test   %cl,%cl
  je     L104
  test   %sil,%sil
  jne    L655
  cmp    %r11d,%eax
  jge    L207
  xor    %eax,%eax
  test   %dl,%dl
  jne    L596
  nopw   0x0(%rax,%rax,1)
L125:
  add    $0x1,%eax
  movsbl %al,%edx
  cmp    %edx,%ebx
  jge    L125
L545:
  add    $0x1,%ecx
  movsbq %cl,%rax
  cmp    %eax,%ebx
  jg     L189
L515:
  movb   $0x0,-0x48(%rbp)
  xor    %r14d,%r14d
  nopl   0x0(%rax)
L752:
  movslq %r14d,%r14
  xor    %r15d,%r15d
  xor    %eax,%eax
  imul   %r13,%r14
  nopl   0x0(%rax)
L9:
  add    %r12,%rax
  add    $0x1,%r15d
  movsbl (%rax,%r14,1),%edi
  call   <putchar@plt>
  movsbq %r15b,%rax
  cmp    %eax,%ebx
  jge    L9
  mov    $0xa,%edi
  call   <putchar@plt>
  addb   $0x1,-0x48(%rbp)
  movsbl -0x48(%rbp),%r14d
  cmp    %r14d,%ebx
  jg     L752
L434:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L320
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
  nopl   0x0(%rax,%rax,1)
L596:
  add    $0x1,%eax
  movsbl %al,%edx
  cmp    %edx,%ebx
  jl     L545
  add    $0x1,%eax
  movsbl %al,%edx
  cmp    %edx,%ebx
  jge    L596
  jmp    L545
  nopl   (%rax)
L104:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L620:
  add    $0x1,%eax
  movsbl %al,%edx
  cmp    %edx,%ebx
  jge    L620
  add    $0x1,%ecx
  movsbq %cl,%rax
  cmp    %eax,%ebx
  jg     L189
  jmp    L515
  cs nopw 0x0(%rax,%rax,1)
L81:
  imul   %r13,%rax
  xor    %esi,%esi
  xor    %edx,%edx
  lea    (%r10,%rax,1),%r14
  jmp    L432
  xchg   %ax,%ax
L485:
  cmp    %edx,%ebx
  je     L96
  add    %r12,%rdx
  movb   $0x20,(%rdx,%rax,1)
L144:
  add    $0x1,%esi
  movsbq %sil,%rdx
  cmp    %edx,%ebx
  jl     L115
L432:
  movb   $0x2a,(%r12,%rax,1)
  movb   $0x2a,(%r14)
  test   $0x1,%sil
  je     L485
L96:
  add    %r12,%rdx
  movb   $0x2a,(%rdx,%rax,1)
  jmp    L144
  nopw   0x0(%rax,%rax,1)
L573:
  cmp    %r8d,%eax
  je     L93
  mov    %r8d,%r14d
  lea    0x1(%rax),%r15d
  xor    %edx,%edx
  sub    %eax,%r14d
  nopl   (%rax)
L612:
  add    $0x1,%edx
  movsbl %dl,%esi
  cmp    %esi,%ebx
  jge    L612
  imul   %r13,%rax
  movslq %r15d,%r15
  movslq %r14d,%r14
  add    %r12,%r15
  add    %r12,%r14
  movb   $0x2a,(%r12,%rax,1)
  movb   $0x2a,(%r10,%rax,1)
  movb   $0x2a,(%r15,%rax,1)
  movb   $0x2a,(%r14,%rax,1)
  jmp    L115
  nopl   0x0(%rax,%rax,1)
L207:
  cmp    %r14d,%eax
  je     L33
  imul   %r13,%rax
  xor    %r15d,%r15d
  xor    %esi,%esi
  xor    %r10d,%r10d
  jmp    L731
  nop
L45:
  add    $0x1,%esi
  movsbq %sil,%r10
  cmp    %r10d,%ebx
  jl     L545
L731:
  test   %dl,%dl
  je     L45
  add    %r12,%r10
  add    %rax,%r10
  mov    %r10,-0x48(%rbp)
  movzbl (%r10),%r10d
  cmp    $0x2a,%r10b
  je     L584
  cmp    $0x2,%r15d
  jne    L45
  cmp    $0x20,%r10b
  jne    L45
  mov    -0x48(%rbp),%r10
  movb   $0x2e,(%r10)
  jmp    L45
  nopw   0x0(%rax,%rax,1)
L655:
  cmp    %r14d,%eax
  je     L164
  test   %dl,%dl
  jne    L12
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L211:
  add    $0x1,%eax
  movsbl %al,%edx
  cmp    %edx,%ebx
  jge    L211
  add    $0x1,%ecx
  movsbq %cl,%rax
  cmp    %eax,%ebx
  jg     L189
  jmp    L515
  xchg   %ax,%ax
L93:
  movslq %r8d,%rax
  xor    %esi,%esi
  xor    %edx,%edx
  imul   %r13,%rax
  lea    (%r10,%rax,1),%r14
  jmp    L347
  nopl   0x0(%rax)
L745:
  cmp    %edx,%ebx
  je     L581
  add    %r12,%rdx
  movb   $0x20,(%rdx,%rax,1)
L312:
  add    $0x1,%esi
  movsbq %sil,%rdx
  cmp    %edx,%ebx
  jl     L115
L347:
  movb   $0x2a,(%r12,%rax,1)
  movb   $0x2a,(%r14)
  test   $0x1,%sil
  je     L745
L581:
  add    %r12,%rdx
  movb   $0x2a,(%rdx,%rax,1)
  jmp    L312
L82:
  movslq %r8d,%rax
  xor    %esi,%esi
  xor    %edx,%edx
  imul   %r13,%rax
  lea    (%r10,%rax,1),%r14
  jmp    L111
  nopl   0x0(%rax,%rax,1)
L621:
  cmp    %edx,%ebx
  je     L281
  add    %r12,%rdx
  movb   $0x20,(%rdx,%rax,1)
L568:
  add    $0x1,%esi
  movsbq %sil,%rdx
  cmp    %edx,%ebx
  jl     L115
L111:
  movb   $0x2a,(%r12,%rax,1)
  movb   $0x2a,(%r14)
  test   $0x1,%sil
  je     L621
L281:
  add    %r12,%rdx
  movb   $0x2a,(%rdx,%rax,1)
  jmp    L568
L33:
  xor    %eax,%eax
  nopl   0x0(%rax)
L730:
  add    $0x1,%eax
  movsbl %al,%edx
  cmp    %edx,%ebx
  jge    L730
  add    $0x1,%ecx
  movsbq %cl,%rax
  cmp    %eax,%ebx
  jg     L189
  jmp    L515
L164:
  xor    %eax,%eax
  test   %dl,%dl
  jne    L63
  nopl   0x0(%rax)
L643:
  add    $0x1,%eax
  movsbl %al,%edx
  cmp    %edx,%ebx
  jl     L545
  add    $0x1,%eax
  movsbl %al,%edx
  cmp    %edx,%ebx
  jge    L643
  jmp    L545
  nopl   (%rax)
L63:
  add    $0x1,%eax
  movsbl %al,%edx
  cmp    %edx,%ebx
  jl     L545
  add    $0x1,%eax
  movsbl %al,%edx
  cmp    %edx,%ebx
  jge    L63
  jmp    L545
L12:
  imul   %r13,%rax
  xor    %edx,%edx
  xor    %r10d,%r10d
  xor    %esi,%esi
  add    %r12,%rdx
  add    %rax,%rdx
  movzbl (%rdx),%r15d
  cmp    $0x2a,%r15b
  je     L216
  nopl   0x0(%rax,%rax,1)
L15:
  cmp    $0x2,%r10d
  je     L660
L321:
  add    $0x1,%esi
  movsbq %sil,%rdx
  cmp    %edx,%ebx
  jl     L545
  add    %r12,%rdx
  add    %rax,%rdx
  movzbl (%rdx),%r15d
  cmp    $0x2a,%r15b
  jne    L15
L216:
  add    $0x1,%r10d
  jmp    L321
L584:
  add    $0x1,%r15d
  jmp    L45
L486:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L693
L660:
  cmp    $0x20,%r15b
  jne    L321
  movb   $0x2e,(%rdx)
  jmp    L321
L320:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void draw(int size, int sand) {
  char a[(size * 2)][((size * 2) + 1)], i, j;
  int flag = 0;
  for (i = 0; i < (size * 2); i++) {
    for (j = 0; j < ((size * 2) + 1); j++) {
      a[i][j] = ' ';
    }
  }
  for (i = 0; i < (size * 2); i++) {
    for (j = 0; j < ((size * 2) + 1); j++) {
      a[i][0] = '*';
      a[i][((size * 2) + 1) - 1] = '*';
      if ((i == 0) || (i == (size * 2) - 1)) {
        if (((j % 2) == 0) && (j != ((size * 2) + 1) - 1)) {
          a[i][j] = ' ';
        } else {
          a[i][j] = '*';
        }
      } else {
        if (i < ((size * 2) + 1) / 2) {
          a[i][i + 1] = '*';
          a[i][(((size * 2) + 1) - 2) - i] = '*';
        } else {
          a[i][i] = '*';
          a[i][(((size * 2) + 1) - 2) - (i - 1)] = '*';
        }
      }
    }
  }
  for (i = 0; i < (size * 2); i++) {
    flag = 0;
    for (j = 0; j < ((size * 2) + 1); j++) {
      if ((i != 0) && (i != ((size * 2) - 1)) && (i != ((size * 2) / 2)) && (i != ((size * 2) / 2) - 1)) {
        if (((!(i <= sand)) && (i < (size * 2) / 2)) || (i >= ((size * 2) - 1) - sand)) {
          if (a[i][j] == '*') {
            flag++;
          }
          if ((flag == 2) && (a[i][j] != '*') && (a[i][j] == ' ')) {
            a[i][j] = '.';
          }
        }
      }
    }
  }
  for (i = 0; i < (size * 2); i++) {
    for (j = 0; j < ((size * 2) + 1); j++) {
      printf("%c", a[i][j]);
    }
    printf("\n");
  }
}
```