user: Please show me the C implementation that matches the assembly code listed below:

```asm
<traverse>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    0x70(%rsp),%rbp
  mov    0x78(%rsp),%r12
  cmp    %esi,%edi
  je     L43
  test   %esi,%esi
  jle    L42
  movslq %edi,%rax
  mov    %edi,%r13d
  mov    %rcx,%r14
  movslq %esi,%r15
  lea    (%rdx,%rax,4),%rax
  xor    %ebx,%ebx
  mov    %r12,%r10
  mov    %rax,0x8(%rsp)
  lea    -0x1(%rdi,%rsi,1),%eax
  mov    %eax,(%rsp)
  mov    %rbp,%rax
L77:
  mov    (%r14,%rbx,4),%ebp
  test   %ebp,%ebp
  je     L41
  lea    0x0(%r13,%rbx,1),%ecx
  movslq %ecx,%rcx
  lea    (%r8,%rcx,4),%rbp
  mov    0x0(%rbp),%r11d
  test   %r11d,%r11d
  je     L41
  mov    (%rsp),%ecx
  sub    %ebx,%ecx
  movslq %ecx,%rcx
  lea    (%r9,%rcx,4),%r12
  mov    (%r12),%ecx
  test   %ecx,%ecx
  jne    L73
  nopl   (%rax)
L41:
  add    $0x1,%rbx
  cmp    %rbx,%r15
  jne    L77
L42:
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L73:
  mov    0x8(%rsp),%rcx
  movl   $0x0,(%r12)
  lea    0x1(%r13),%edi
  movl   $0x0,0x0(%rbp)
  movl   $0x0,(%r14,%rbx,4)
  mov    %ebx,(%rcx)
  mov    %r14,%rcx
  push   %r10
  mov    %r10,0x80(%rsp)
  push   %rax
  mov    %r9,0x38(%rsp)
  mov    %r8,0x30(%rsp)
  mov    %esi,0x20(%rsp)
  mov    %rax,0x80(%rsp)
  mov    %rdx,0x28(%rsp)
  call   <traverse>
  movl   $0x1,(%r12)
  movl   $0x1,0x0(%rbp)
  movl   $0x1,(%r14,%rbx,4)
  pop    %rax
  pop    %rdx
  mov    0x78(%rsp),%r10
  mov    0x70(%rsp),%rax
  mov    0x28(%rsp),%r9
  mov    0x20(%rsp),%r8
  mov    0x18(%rsp),%rdx
  mov    0x10(%rsp),%esi
  jmp    L41
  nopl   0x0(%rax,%rax,1)
L43:
  mov    (%r12),%eax
  mov    0x0(%rbp),%rdi
  mov    %esi,(%rsp)
  mov    %rdx,0x10(%rsp)
  add    $0x1,%eax
  mov    %eax,(%r12)
  lea    0x0(,%rax,8),%esi
  call   <realloc@plt>
  movslq (%rsp),%rbx
  mov    %rax,0x0(%rbp)
  lea    0x0(,%rbx,8),%edi
  call   <malloc@plt>
  movslq (%r12),%rcx
  mov    0x0(%rbp),%rsi
  mov    (%rsp),%r10d
  mov    %rax,-0x8(%rsi,%rcx,8)
  test   %r10d,%r10d
  jle    L42
  lea    -0x2(%r10),%eax
  lea    0x0(,%rbx,8),%r13
  xor    %r15d,%r15d
  mov    %eax,0x8(%rsp)
  lea    0x1(%r10),%r14d
  mov    %r13,(%rsp)
  mov    %r12,%r13
  mov    %r15,%r12
  mov    %r10d,%r15d
  nopl   (%rax)
L106:
  mov    %r14d,%edi
  call   <malloc@plt>
  movslq 0x0(%r13),%rdi
  mov    0x0(%rbp),%rdx
  mov    -0x8(%rdx,%rdi,8),%rdx
  mov    %rax,(%rdx,%r12,1)
  movb   $0x2e,(%rax)
  cmp    $0x1,%r15d
  je     L48
  mov    0x8(%rsp),%r9d
  mov    $0x1,%eax
  add    $0x2,%r9
  nopl   0x0(%rax,%rax,1)
L50:
  movslq 0x0(%r13),%rdi
  mov    0x0(%rbp),%rdx
  mov    -0x8(%rdx,%rdi,8),%rdx
  mov    (%rdx,%r12,1),%rdx
  movb   $0x2e,(%rdx,%rax,1)
  add    $0x1,%rax
  cmp    %r9,%rax
  jne    L50
L48:
  movslq 0x0(%r13),%rdx
  mov    0x0(%rbp),%rax
  mov    -0x8(%rax,%rdx,8),%rax
  mov    (%rax,%r12,1),%rax
  add    $0x8,%r12
  movb   $0x0,(%rax,%rbx,1)
  cmp    %r12,(%rsp)
  jne    L106
  mov    0x10(%rsp),%rdx
  mov    %r13,%r12
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L45:
  mov    0x0(%rbp),%rcx
  movslq (%r12),%rsi
  mov    -0x8(%rcx,%rsi,8),%rsi
  movslq (%rdx,%rax,4),%rcx
  mov    (%rsi,%rax,8),%rsi
  add    $0x1,%rax
  movb   $0x51,(%rsi,%rcx,1)
  cmp    %rbx,%rax
  jne    L45
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void traverse(int row, int n, int *stack, bool *cols, bool *fslash, bool *bslash, char ****boards, int *returnSize) {
  if (row == n) {
    (*returnSize)++;
    *boards = (char ***)realloc(*boards, sizeof(char **) * (*returnSize));
    (*boards)[*returnSize - 1] = (char **)malloc(sizeof(char *) * n);
    for (int i = 0; i < n; i++) {
      (*boards)[*returnSize - 1][i] = (char *)malloc(sizeof(char) * (n + 1));
      for (int j = 0; j < n; j++)
        (*boards)[*returnSize - 1][i][j] = '.';
      (*boards)[*returnSize - 1][i][n] = '\0';
    }
    for (int i = 0; i < n; i++)
      (*boards)[*returnSize - 1][i][stack[i]] = 'Q';
    return;
  }
  for (int i = 0; i < n; i++) {
    int f = row + i, b = row + n - 1 - i;
    if (cols[i] && fslash[f] && bslash[b]) {
      cols[i] = fslash[f] = bslash[b] = false;
      stack[row] = i;
      traverse(row + 1, n, stack, cols, fslash, bslash, boards, returnSize);
      cols[i] = fslash[f] = bslash[b] = true;
    }
  }
}
```