user: 下面的汇编指令对应的C源代码是什么:

```asm
<mazeGenerator>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  movslq %esi,%rbp
  push   %rbx
  mov    %rbp,%r12
  mov    %edx,%ebx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  test   %rbp,%rbp
  je     L164
  lea    -0x1(%rbp),%eax
  movslq %edx,%r14
  xor    %r15d,%r15d
  mov    %eax,0x8(%rsp)
  lea    -0x1(%rdx),%eax
  cltq
  mov    %rax,(%rsp)
  nopl   0x0(%rax)
L151:
  test   %r14,%r14
  je     L179
  mov    %r15,%rax
  and    $0x1,%eax
  test   %r15,%r15
  je     L168
  test   %rax,%rax
  je     L168
  movslq 0x8(%rsp),%r8
  xor    %eax,%eax
  nopl   0x0(%rax)
L24:
  mov    $0x23,%esi
  cmp    %r15,%r8
  je     L188
  test   %rax,%rax
  je     L188
  cmp    (%rsp),%rax
  je     L188
  mov    %rax,%rsi
  and    $0x1,%esi
  cmp    $0x1,%rsi
  sbb    %esi,%esi
  and    $0xfffffff5,%esi
  add    $0x2e,%esi
  nop
L188:
  mov    %sil,(%rdi,%rax,1)
  add    $0x1,%rax
  cmp    %rax,%r14
  jne    L24
L179:
  add    $0x1,%r15
  add    %r14,%rdi
  cmp    %rbp,%r15
  jne    L151
L164:
  xor    %eax,%eax
  call   <rand@plt>
  cltd
  shr    $0x1e,%edx
  lea    (%rax,%rdx,1),%r8d
  and    $0x3,%r8d
  sub    %edx,%r8d
  cmp    $0x2,%r8d
  je     L116
  cmp    $0x3,%r8d
  je     L81
  test   $0x3,%al
  je     L140
  cmp    $0x1,%r8d
  jne    L33
  xor    %eax,%eax
  mov    %r8d,(%rsp)
  call   <rand@plt>
  mov    %r12d,%ecx
  mov    (%rsp),%r8d
  shr    $0x1f,%ecx
  cltd
  add    %r12d,%ecx
  sar    %ecx
  sub    $0x1,%ecx
  idiv   %ecx
  lea    0x1(%rdx,%rdx,1),%eax
  mov    %eax,0xc(%rsp)
  imul   %ebx,%eax
  cltq
  movb   $0x2e,0x0(%r13,%rax,1)
L33:
  sub    $0x8,%rsp
  mov    %r13,%rdx
  mov    %ebx,%esi
  mov    %r12d,%edi
  lea    0x1c(%rsp),%rax
  push   %rax
  mov    0x1c(%rsp),%ecx
  lea    0x20(%rsp),%r9
  call   <dfsMaze@plt>
  imul   0x20(%rsp),%ebx
  add    0x24(%rsp),%ebx
  movslq %ebx,%rax
  movb   $0x2e,0x0(%r13,%rax,1)
  pop    %rax
  pop    %rdx
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L168:
  mov    %r14,%rdx
  mov    $0x23,%esi
  add    $0x1,%r15
  call   <memset@plt>
  mov    %rax,%rdi
  add    %r14,%rdi
  cmp    %rbp,%r15
  jne    L151
  jmp    L164
L116:
  xor    %eax,%eax
  call   <rand@plt>
  mov    %ebx,%ecx
  shr    $0x1f,%ecx
  cltd
  add    %ebx,%ecx
  sar    %ecx
  sub    $0x1,%ecx
  idiv   %ecx
  lea    -0x1(%r12),%eax
  imul   %ebx,%eax
  lea    0x1(%rdx,%rdx,1),%r8d
  add    %r8d,%eax
  cltq
  movb   $0x2e,0x0(%r13,%rax,1)
  lea    -0x2(%r12),%eax
  mov    %eax,0xc(%rsp)
  jmp    L33
L140:
  xor    %eax,%eax
  call   <rand@plt>
  mov    %ebx,%ecx
  movl   $0x1,0xc(%rsp)
  shr    $0x1f,%ecx
  cltd
  add    %ebx,%ecx
  sar    %ecx
  sub    $0x1,%ecx
  idiv   %ecx
  lea    0x1(%rdx,%rdx,1),%r8d
  movslq %r8d,%rax
  movb   $0x2e,0x0(%r13,%rax,1)
  jmp    L33
L81:
  xor    %eax,%eax
  call   <rand@plt>
  mov    %r12d,%ecx
  lea    -0x2(%rbx),%r8d
  shr    $0x1f,%ecx
  cltd
  add    %r12d,%ecx
  sar    %ecx
  sub    $0x1,%ecx
  idiv   %ecx
  lea    0x1(%rdx,%rdx,1),%eax
  mov    %eax,0xc(%rsp)
  imul   %ebx,%eax
  lea    -0x1(%rbx,%rax,1),%eax
  cltq
  movb   $0x2e,0x0(%r13,%rax,1)
  jmp    L33
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void mazeGenerator(char *maze, int row, int col) {
  for (size_t i = 0; i < row; i++) {
    for (size_t j = 0; j < col; j++) {
      if (i != 0 && i != row - 1 && j != 0 && j != col - 1 && i % 2 == 1 && j % 2 == 1)
        maze[i * col + j] = '.';
      else
        maze[i * col + j] = '#';
    }
  }
  int startRow, startCol;
  switch (rand() % 4) {
  case 0:
    startRow = 0;
    startCol = 2 * (rand() % (col / 2 - 1)) + 1;
    maze[startRow * col + startCol] = '.';
    startRow = 1;
    break;
  case 1:
    startRow = 2 * (rand() % (row / 2 - 1)) + 1;
    startCol = 0;
    maze[startRow * col + startCol] = '.';
    startCol = 1;
    break;
  case 2:
    startRow = row - 1;
    startCol = 2 * (rand() % (col / 2 - 1)) + 1;
    maze[startRow * col + startCol] = '.';
    startRow = row - 2;
    break;
  case 3:
    startRow = 2 * (rand() % (row / 2 - 1)) + 1;
    startCol = col - 1;
    maze[startRow * col + startCol] = '.';
    startCol = col - 2;
    break;
  }
  int endRow, endCol;
  dfsMaze(row, col, maze, startRow, startCol, &endRow, &endCol);
  maze[endRow * col + endCol] = '.';
  return;
}
```