user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<nn_question>:
  endbr64
  push   %rbp
  pxor   %xmm0,%xmm0
  push   %rbx
  mov    %esi,%ebx
  sub    $0xc88,%rsp
  movss  D23(%rip),%xmm5
  mov    %fs:0x28,%rax
  mov    %rax,0xc78(%rsp)
  xor    %eax,%eax
  movaps %xmm0,(%rsp)
  movq   $0x0,0x20(%rsp)
  movaps %xmm0,0x10(%rsp)
  movss  %xmm5,0x30(%rsp)
  test   %edx,%edx
  jle    L55
  lea    -0x1(%rdx),%eax
  mov    %edx,%ecx
  cmp    $0xe,%eax
  jbe    L163
  mov    %ecx,%esi
  movaps D31(%rip),%xmm3
  mov    %rdi,%rdx
  pxor   %xmm4,%xmm4
  shr    $0x4,%esi
  lea    0x34(%rsp),%rax
  pxor   %xmm2,%xmm2
  sub    $0x1,%esi
  shl    $0x4,%rsi
  lea    0x10(%rdi,%rsi,1),%rsi
  nopl   0x0(%rax)
L53:
  movdqu (%rdx),%xmm0
  add    $0x10,%rdx
  add    $0x40,%rax
  movdqa %xmm0,%xmm1
  punpckhbw %xmm4,%xmm0
  punpcklbw %xmm4,%xmm1
  movdqa %xmm1,%xmm6
  punpckhwd %xmm2,%xmm1
  cvtdq2ps %xmm1,%xmm1
  divps  %xmm3,%xmm1
  punpcklwd %xmm2,%xmm6
  cvtdq2ps %xmm6,%xmm6
  divps  %xmm3,%xmm6
  movups %xmm1,-0x30(%rax)
  movdqa %xmm0,%xmm1
  punpckhwd %xmm2,%xmm0
  punpcklwd %xmm2,%xmm1
  cvtdq2ps %xmm0,%xmm0
  cvtdq2ps %xmm1,%xmm1
  divps  %xmm3,%xmm0
  movups %xmm6,-0x40(%rax)
  divps  %xmm3,%xmm1
  movups %xmm0,-0x10(%rax)
  movups %xmm1,-0x20(%rax)
  cmp    %rdx,%rsi
  jne    L53
  mov    %ecx,%eax
  and    $0xfffffff0,%eax
  test   $0xf,%cl
  je     L55
L17:
  movslq %eax,%r8
  pxor   %xmm1,%xmm1
  movss  D31(%rip),%xmm0
  lea    0x1(%rax),%edx
  movzbl (%rdi,%r8,1),%r8d
  movslq %edx,%rsi
  cvtsi2ss %r8d,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%rsi,4)
  cmp    %ecx,%edx
  jge    L55
  movzbl (%rdi,%rsi,1),%esi
  pxor   %xmm1,%xmm1
  lea    0x2(%rax),%edx
  movslq %edx,%r8
  cvtsi2ss %esi,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%r8,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%r8,1),%r8d
  pxor   %xmm1,%xmm1
  lea    0x3(%rax),%edx
  movslq %edx,%rsi
  cvtsi2ss %r8d,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%rsi,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%rsi,1),%esi
  pxor   %xmm1,%xmm1
  lea    0x4(%rax),%edx
  movslq %edx,%r8
  cvtsi2ss %esi,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%r8,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%r8,1),%r8d
  pxor   %xmm1,%xmm1
  lea    0x5(%rax),%edx
  movslq %edx,%rsi
  cvtsi2ss %r8d,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%rsi,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%rsi,1),%esi
  pxor   %xmm1,%xmm1
  lea    0x6(%rax),%edx
  movslq %edx,%r8
  cvtsi2ss %esi,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%r8,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%r8,1),%r8d
  pxor   %xmm1,%xmm1
  lea    0x7(%rax),%edx
  movslq %edx,%rsi
  cvtsi2ss %r8d,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%rsi,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%rsi,1),%esi
  pxor   %xmm1,%xmm1
  lea    0x8(%rax),%edx
  movslq %edx,%r8
  cvtsi2ss %esi,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%r8,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%r8,1),%r8d
  pxor   %xmm1,%xmm1
  lea    0x9(%rax),%edx
  movslq %edx,%rsi
  cvtsi2ss %r8d,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%rsi,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%rsi,1),%esi
  pxor   %xmm1,%xmm1
  lea    0xa(%rax),%edx
  movslq %edx,%r8
  cvtsi2ss %esi,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%r8,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%r8,1),%r8d
  pxor   %xmm1,%xmm1
  lea    0xb(%rax),%edx
  movslq %edx,%rsi
  cvtsi2ss %r8d,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%rsi,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%rsi,1),%esi
  pxor   %xmm1,%xmm1
  lea    0xc(%rax),%edx
  movslq %edx,%r8
  cvtsi2ss %esi,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%r8,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%r8,1),%r8d
  pxor   %xmm1,%xmm1
  lea    0xd(%rax),%edx
  movslq %edx,%rsi
  cvtsi2ss %r8d,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%rsi,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%rsi,1),%esi
  pxor   %xmm1,%xmm1
  lea    0xe(%rax),%edx
  movslq %edx,%r8
  cvtsi2ss %esi,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%r8,4)
  cmp    %edx,%ecx
  jle    L55
  movzbl (%rdi,%r8,1),%edx
  pxor   %xmm1,%xmm1
  add    $0xf,%eax
  cltq
  cvtsi2ss %edx,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0x30(%rsp,%rax,4)
  nopl   0x0(%rax,%rax,1)
L55:
  movslq %ebx,%rax
  mov    %rsp,%rsi
  lea    0x30(%rsp),%rdi
  movss  %xmm5,(%rsp,%rax,4)
  call   <nn_answer@plt>
  mov    %ebx,%esi
  lea    D38(%rip),%rdi
  mov    %eax,%ebp
  mov    %eax,%edx
  call   <printf@plt>
  xor    %eax,%eax
  cmp    %ebp,%ebx
  sete   %al
  mov    0xc78(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L158
  add    $0xc88,%rsp
  pop    %rbx
  pop    %rbp
  ret
L163:
  xor    %eax,%eax
  jmp    L17
L158:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: label: D23
data_type: f32
name: parse_data
arguments: label: D31
data_type: f32[4]
name: parse_data
arguments: label: D38
data_type: string

tool: D23: 1

tool: {"D31": [255.0,255.0,255.0,255.0]}

tool: D38: What is this(%d)?, It is %d.


assistant: ```c
int nn_question(unsigned char *xdata, int ydata, int isize) {
  int i, ans;
  int x[784 + 1];
  float x2[784 + 1];
  float y[10] = {
      0.0,
  };
  x2[0] = 1.0;
  for (i = 0; i < isize; i++) {
    x[i + 1] = (int)xdata[i];
    x2[i + 1] = (float)x[i + 1] / 255.0;
  }
  y[ydata] = 1.0;
  ans = nn_answer(x2, y);
  printf("What is this(%d)?, It is %d.\n", ydata, ans);
  return (ydata == ans) ? 1 : 0;
}
```