user: 这段汇编代码用C语言表示是什么样的:

```asm
<validity>:
  endbr64
  push   %r14
  mov    %rdi,%r10
  mov    %rdi,%r11
  mov    %rdi,%r9
  push   %r13
  push   %r12
  lea    0x24(%rdi),%r12
  push   %rbp
  mov    $0x8,%ebp
  push   %rbx
L217:
  mov    $0x1,%edi
  mov    %r9,%r8
  lea    -0x24(%r9),%rbx
  lea    -0x1(%rdi),%eax
  cmp    $0x7,%eax
  ja     L256
L105:
  mov    %ebp,%eax
  mov    %rbx,%rsi
  mov    (%r8),%ecx
  sub    %edi,%eax
  lea    (%rax,%rax,8),%rax
  shl    $0x2,%rax
  sub    %rax,%rsi
  mov    %r9,%rax
  nopw   0x0(%rax,%rax,1)
L254:
  mov    0x120(%rax),%edx
  cmp    %ecx,%edx
  jne    L220
  test   %edx,%edx
  jne    L188
L220:
  sub    $0x24,%rax
  cmp    %rsi,%rax
  jne    L254
L70:
  add    $0x1,%edi
  add    $0x24,%r8
  lea    -0x1(%rdi),%eax
  cmp    $0x7,%eax
  jbe    L105
L256:
  cmp    $0x9,%edi
  jne    L70
  add    $0x4,%r9
  cmp    %r12,%r9
  jne    L217
  mov    $0x7,%ebx
  lea    0x1c(%r10),%r12
  lea    0x20(%r10),%rbp
  xor    %r8d,%r8d
  lea    0x164(%r10),%r9
L15:
  mov    %ebx,%eax
  mov    %r12,%rcx
  mov    %rbp,%rdi
  shl    $0x2,%rax
  sub    %rax,%rcx
L239:
  cmp    $0x8,%r8
  je     L64
  mov    -0x20(%rdi,%r8,4),%esi
  mov    %rdi,%rax
  nopl   0x0(%rax)
L146:
  mov    (%rax),%edx
  cmp    %esi,%edx
  jne    L99
  test   %edx,%edx
  jne    L188
L99:
  sub    $0x4,%rax
  cmp    %rax,%rcx
  jne    L146
L64:
  add    $0x24,%rdi
  add    $0x24,%rcx
  cmp    %r9,%rdi
  jne    L239
  add    $0x1,%r8
  sub    $0x1,%ebx
  cmp    $0x9,%r8
  jne    L15
  xor    %edi,%edi
L84:
  mov    %r11,%r8
  xor    %r12d,%r12d
  lea    -0x3(%rdi),%r14d
  xor    %ebp,%ebp
L100:
  xor    %ecx,%ecx
  cmp    $0x2,%edi
  jle    L6
  cmp    $0x3,%r14d
  sbb    %ecx,%ecx
  and    $0xfffffffd,%ecx
  add    $0x6,%ecx
L6:
  movslq %ebp,%rax
  lea    0x3(%rcx),%r13d
  lea    0x3(%rbp),%r9d
  movslq %ecx,%rdx
  lea    (%rax,%rax,8),%rax
  add    %rdx,%rax
  lea    (%r10,%rax,4),%rbx
L111:
  mov    %ebp,%eax
  mov    %rbx,%rdx
L86:
  cmp    %edi,%ecx
  je     L257
L60:
  mov    (%rdx),%esi
  cmp    %esi,(%r8)
  jne    L119
  test   %esi,%esi
  jne    L188
L119:
  add    $0x1,%eax
  add    $0x24,%rdx
  cmp    %eax,%r9d
  jne    L86
  add    $0x1,%ecx
  add    $0x4,%rbx
  cmp    %ecx,%r13d
  jne    L111
  lea    0x1(%r12),%eax
  cmp    $0x8,%r12d
  je     L24
  cmp    $0x2,%eax
  jle    L268
  sub    $0x2,%r12d
  cmp    $0x3,%r12d
  sbb    %ebp,%ebp
  and    $0xfffffffd,%ebp
  add    $0x6,%ebp
L16:
  add    $0x24,%r8
  mov    %eax,%r12d
  jmp    L100
  nopl   0x0(%rax,%rax,1)
L188:
  xor    %eax,%eax
L197:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L257:
  cmp    %eax,%r12d
  jne    L60
  jmp    L119
L24:
  add    $0x1,%edi
  add    $0x4,%r11
  cmp    $0x9,%edi
  jne    L84
  mov    $0x1,%eax
  jmp    L197
L268:
  xor    %ebp,%ebp
  jmp    L16
```

assistant: ```c
int validity(int grid[9][9]) {
  int x, y, testx, testy, startx, starty, loop;
  for (y = 0; y < 9; ++y)
    for (x = 0; x < 9; ++x)
      for (testx = 8; testx > x; --testx)
        if ((testx != x) && (grid[testx][y] == grid[x][y]) && (grid[testx][y] != 0)) {
          return 0;
        }
  for (y = 0; y < 9; ++y)
    for (x = 0; x < 9; ++x)
      for (testy = 8; testy > y; --testy)
        if ((testy != y) && (grid[x][testy] == grid[x][y]) && (grid[x][testy] != 0)) {
          return 0;
        }
  for (y = 0; y < 9; ++y)
    for (x = 0; x < 9; ++x) {
      if ((x >= 0) && (x <= 2))
        startx = 0;
      else if ((x >= 3) && (x <= 5))
        startx = 3;
      else if ((x >= 6) && (x <= 8))
        startx = 6;
      if ((y >= 0) && (y <= 2))
        starty = 0;
      else if ((y >= 3) && (y <= 5))
        starty = 3;
      else if ((y >= 6) && (y <= 8))
        starty = 6;
      for (testy = 0; testy < 3; ++testy)
        for (testx = 0; testx < 3; ++testx)
          if (!(((starty + testy) == y) && ((startx + testx) == x)) && (grid[startx + testx][starty + testy] == grid[x][y]) && (grid[startx + testx][starty + testy] != 0)) {
            return 0;
          }
    }
  return 1;
}
```