user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<isValidSudoku>:
  endbr64
  push   %r14
  mov    %rdi,%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  lea    0x48(%rdi),%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  lea    D3(%rip),%rbx
L574:
  mov    $0x9,%esi
  mov    %rbx,%rdi
  call   <bzero@plt>
  mov    0x0(%rbp),%rax
  movzbl (%rax),%edx
  cmp    $0x2e,%dl
  je     L451
  sub    $0x31,%edx
  cmp    $0x8,%dl
  ja     L405
  movsbq %dl,%rdx
  cmpb   $0x0,(%rbx,%rdx,1)
  jne    L405
  movb   $0x1,(%rbx,%rdx,1)
  mov    0x0(%rbp),%rax
L451:
  movzbl 0x1(%rax),%edx
  cmp    $0x2e,%dl
  je     L177
  sub    $0x31,%edx
  cmp    $0x8,%dl
  ja     L405
  movsbq %dl,%rdx
  cmpb   $0x0,(%rbx,%rdx,1)
  jne    L405
  movb   $0x1,(%rbx,%rdx,1)
  mov    0x0(%rbp),%rax
L177:
  movzbl 0x2(%rax),%edx
  cmp    $0x2e,%dl
  je     L376
  sub    $0x31,%edx
  cmp    $0x8,%dl
  ja     L405
  movsbq %dl,%rdx
  cmpb   $0x0,(%rbx,%rdx,1)
  jne    L405
  movb   $0x1,(%rbx,%rdx,1)
  mov    0x0(%rbp),%rax
L376:
  movzbl 0x3(%rax),%edx
  cmp    $0x2e,%dl
  je     L20
  sub    $0x31,%edx
  cmp    $0x8,%dl
  ja     L405
  movsbq %dl,%rdx
  cmpb   $0x0,(%rbx,%rdx,1)
  jne    L405
  movb   $0x1,(%rbx,%rdx,1)
  mov    0x0(%rbp),%rax
L20:
  movzbl 0x4(%rax),%edx
  cmp    $0x2e,%dl
  je     L491
  sub    $0x31,%edx
  cmp    $0x8,%dl
  ja     L405
  movsbq %dl,%rdx
  cmpb   $0x0,(%rbx,%rdx,1)
  jne    L405
  movb   $0x1,(%rbx,%rdx,1)
  mov    0x0(%rbp),%rax
L491:
  movzbl 0x5(%rax),%edx
  cmp    $0x2e,%dl
  je     L674
  sub    $0x31,%edx
  cmp    $0x8,%dl
  ja     L405
  movsbq %dl,%rdx
  cmpb   $0x0,(%rbx,%rdx,1)
  jne    L405
  movb   $0x1,(%rbx,%rdx,1)
  mov    0x0(%rbp),%rax
L674:
  movzbl 0x6(%rax),%edx
  cmp    $0x2e,%dl
  je     L510
  sub    $0x31,%edx
  cmp    $0x8,%dl
  ja     L405
  movsbq %dl,%rdx
  cmpb   $0x0,(%rbx,%rdx,1)
  jne    L405
  movb   $0x1,(%rbx,%rdx,1)
  mov    0x0(%rbp),%rax
L510:
  movzbl 0x7(%rax),%edx
  cmp    $0x2e,%dl
  je     L182
  sub    $0x31,%edx
  cmp    $0x8,%dl
  ja     L405
  movsbq %dl,%rdx
  cmpb   $0x0,(%rbx,%rdx,1)
  jne    L405
  movb   $0x1,(%rbx,%rdx,1)
  mov    0x0(%rbp),%rax
L182:
  movzbl 0x8(%rax),%eax
  cmp    $0x2e,%al
  je     L131
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L131:
  add    $0x8,%rbp
  cmp    %r12,%rbp
  jne    L574
  xor    %ebp,%ebp
L226:
  mov    $0x9,%esi
  mov    %rbx,%rdi
  call   <bzero@plt>
  mov    (%r14),%rax
  movzbl (%rax,%rbp,1),%eax
  cmp    $0x2e,%al
  je     L619
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L619:
  mov    0x8(%r14),%rax
  movzbl (%rax,%rbp,1),%eax
  cmp    $0x2e,%al
  je     L702
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L702:
  mov    0x10(%r14),%rax
  movzbl (%rax,%rbp,1),%eax
  cmp    $0x2e,%al
  je     L72
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L72:
  mov    0x18(%r14),%rax
  movzbl (%rax,%rbp,1),%eax
  cmp    $0x2e,%al
  je     L549
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L549:
  mov    0x20(%r14),%rax
  movzbl (%rax,%rbp,1),%eax
  cmp    $0x2e,%al
  je     L125
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L125:
  mov    0x28(%r14),%rax
  movzbl (%rax,%rbp,1),%eax
  cmp    $0x2e,%al
  je     L487
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L487:
  mov    0x30(%r14),%rax
  movzbl (%rax,%rbp,1),%eax
  cmp    $0x2e,%al
  je     L326
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L326:
  mov    0x38(%r14),%rax
  movzbl (%rax,%rbp,1),%eax
  cmp    $0x2e,%al
  je     L422
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L422:
  mov    0x40(%r14),%rax
  movzbl (%rax,%rbp,1),%eax
  cmp    $0x2e,%al
  je     L271
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L271:
  add    $0x1,%rbp
  cmp    $0x9,%rbp
  jne    L226
  xor    %r14d,%r14d
L243:
  mov    $0x3,%r12d
  lea    0x3(%r14),%ebp
L460:
  mov    $0x9,%esi
  mov    %rbx,%rdi
  call   <bzero@plt>
  lea    -0x2(%r12),%edi
  mov    %r12d,%ecx
  mov    %r13,%rdx
  lea    -0x1(%r12),%esi
  mov    %r14d,%r8d
L502:
  mov    (%rdx),%rax
  movzbl -0x3(%rax,%r12,1),%eax
  cmp    $0x2e,%al
  je     L494
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L494:
  cmp    %ecx,%edi
  jge    L518
  mov    (%rdx),%rax
  movzbl -0x2(%rax,%r12,1),%eax
  cmp    $0x2e,%al
  je     L164
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L164:
  cmp    %esi,%ecx
  jle    L518
  mov    (%rdx),%rax
  movzbl -0x1(%rax,%r12,1),%eax
  cmp    $0x2e,%al
  je     L518
  sub    $0x31,%eax
  cmp    $0x8,%al
  ja     L405
  movsbq %al,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L405
  movb   $0x1,(%rbx,%rax,1)
L518:
  add    $0x1,%r8d
  add    $0x8,%rdx
  cmp    %ebp,%r8d
  jl     L502
  add    $0x3,%r12
  cmp    $0xc,%r12
  jne    L460
  add    $0x18,%r13
  cmp    $0x9,%ebp
  jne    L550
  mov    $0x1,%eax
  jmp    L261
  nopl   0x0(%rax)
L405:
  xor    %eax,%eax
L261:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L550:
  mov    %ebp,%r14d
  jmp    L243
```

assistant: ```c
isValidSudoku(char **board, int boardRowSize, int boardColSize) {
  static char nums[9];
  int i, j, k, l;
  for (i = 0; i < 9; i++) {
    bzero(nums, sizeof(nums));
    for (j = 0; j < 9; j++) {
      if (board[i][j] == '.')
        continue;
      if (board[i][j] < '1' || board[i][j] > '9')
        return (0);
      if (nums[board[i][j] - '1'])
        return (0);
      nums[board[i][j] - '1'] = 1;
    }
  }
  for (i = 0; i < 9; i++) {
    bzero(nums, sizeof(nums));
    for (j = 0; j < 9; j++) {
      if (board[j][i] == '.')
        continue;
      if (board[j][i] < '1' || board[j][i] > '9')
        return (0);
      if (nums[board[j][i] - '1'])
        return (0);
      nums[board[j][i] - '1'] = 1;
    }
  }
  for (i = 0; i < 3; i++) {
    for (j = 0; j < 3; j++) {
      bzero(nums, sizeof(nums));
      for (k = i * 3; k < i * 3 + 3; k++) {
        for (l = j * 3; l < j * 3 + 3; l++) {
          if (board[k][l] == '.')
            continue;
          if (board[k][l] < '1' || board[k][l] > '9')
            return (0);
          if (nums[board[k][l] - '1'])
            return (0);
          nums[board[k][l] - '1'] = 1;
        }
      }
    }
  }
  return (1);
}
```