user: Converte this assembly snippet into its equivalent C code:

```asm
<isValidSudoku>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  lea    0x48(%rdi),%r13
  mov    %rdi,%rbp
  lea    D25(%rip),%rbx
  jmp    L35
L222:
  movb   $0x1,(%rbx,%rcx,1)
L244:
  add    $0x1,%rdx
  cmp    $0x9,%rdx
  je     L2
L92:
  mov    0x0(%rbp),%rax
  movzbl (%rax,%rdx,1),%eax
  cmp    $0x2e,%al
  je     L244
  lea    -0x31(%rax),%ecx
  cmp    $0x8,%cl
  ja     L225
  movsbl %al,%eax
  sub    $0x31,%eax
  movslq %eax,%rcx
  cmpb   $0x0,(%rbx,%rcx,1)
  je     L222
  mov    $0x0,%eax
  jmp    L30
L2:
  add    $0x8,%rbp
  cmp    %r13,%rbp
  je     L238
L35:
  mov    $0x9,%esi
  mov    %rbx,%rdi
  call   <bzero@plt>
  mov    $0x0,%edx
  jmp    L92
L238:
  mov    $0x0,%ebp
  lea    D25(%rip),%rbx
  jmp    L286
L207:
  add    $0x8,%rdx
  cmp    %r13,%rdx
  je     L153
L33:
  mov    (%rdx),%rax
  movzbl (%rax,%rbp,1),%eax
  cmp    $0x2e,%al
  je     L207
  lea    -0x31(%rax),%ecx
  cmp    $0x8,%cl
  ja     L126
  movsbl %al,%eax
  sub    $0x31,%eax
  movslq %eax,%rcx
  cmpb   $0x0,(%rbx,%rcx,1)
  jne    L95
  movb   $0x1,(%rbx,%rcx,1)
  jmp    L207
L153:
  add    $0x1,%rbp
  cmp    $0x9,%rbp
  je     L269
L286:
  mov    $0x9,%esi
  mov    %rbx,%rdi
  call   <bzero@plt>
  mov    %r12,%rdx
  jmp    L33
L269:
  mov    $0x0,%r13d
  lea    D25(%rip),%rbx
L200:
  mov    %r13d,%r15d
  mov    $0x0,%r14d
  mov    $0x3,%ebp
  add    $0x3,%r13d
L81:
  mov    $0x9,%esi
  mov    %rbx,%rdi
  call   <bzero@plt>
  mov    %r12,%rsi
  mov    %r15d,%edi
L156:
  mov    %r14,%rdx
  jmp    L291
L260:
  add    $0x1,%rdx
  cmp    %edx,%ebp
  jle    L191
L291:
  mov    (%rsi),%rax
  movzbl (%rax,%rdx,1),%eax
  cmp    $0x2e,%al
  je     L260
  lea    -0x31(%rax),%ecx
  cmp    $0x8,%cl
  ja     L78
  movsbl %al,%eax
  sub    $0x31,%eax
  movslq %eax,%rcx
  cmpb   $0x0,(%rbx,%rcx,1)
  jne    L167
  movb   $0x1,(%rbx,%rcx,1)
  jmp    L260
L191:
  add    $0x1,%edi
  add    $0x8,%rsi
  cmp    %r13d,%edi
  jl     L156
  add    $0x3,%ebp
  add    $0x3,%r14
  cmp    $0x9,%r14
  jne    L81
  add    $0x18,%r12
  cmp    $0x9,%r13d
  jne    L200
  mov    $0x1,%eax
  jmp    L30
L225:
  mov    $0x0,%eax
L30:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L126:
  mov    $0x0,%eax
  jmp    L30
L95:
  mov    $0x0,%eax
  jmp    L30
L78:
  mov    $0x0,%eax
  jmp    L30
L167:
  mov    $0x0,%eax
  jmp    L30
```

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);
}
```