user: 这段汇编代码用C语言表示是什么样的:

```asm
<mark_pos>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  mov    %ecx,-0x24(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L192
L201:
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  jne    L170
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  movl   $0xa,(%rax)
L170:
  addl   $0x1,-0xc(%rbp)
L192:
  mov    -0xc(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L201
  movl   $0x0,-0x8(%rbp)
  jmp    L38
L210:
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  jne    L48
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  movl   $0xa,(%rax)
L48:
  addl   $0x1,-0x8(%rbp)
L38:
  mov    -0x8(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L210
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  jmp    L142
L177:
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  jne    L163
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  movl   $0xa,(%rax)
L163:
  addl   $0x1,-0xc(%rbp)
  addl   $0x1,-0x8(%rbp)
L142:
  mov    -0xc(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jge    L161
  mov    -0x8(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L177
L161:
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  jmp    L146
L90:
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  jne    L30
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  movl   $0xa,(%rax)
L30:
  subl   $0x1,-0xc(%rbp)
  subl   $0x1,-0x8(%rbp)
L146:
  cmpl   $0x0,-0xc(%rbp)
  js     L113
  cmpl   $0x0,-0x8(%rbp)
  jns    L90
L113:
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  jmp    L65
L219:
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  jne    L98
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  movl   $0xa,(%rax)
L98:
  addl   $0x1,-0xc(%rbp)
  subl   $0x1,-0x8(%rbp)
L65:
  mov    -0xc(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jge    L131
  cmpl   $0x0,-0x8(%rbp)
  jns    L219
L131:
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  jmp    L121
L64:
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  jne    L32
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  movl   $0xa,(%rax)
L32:
  subl   $0x1,-0xc(%rbp)
  addl   $0x1,-0x8(%rbp)
L121:
  cmpl   $0x0,-0xc(%rbp)
  js     L62
  mov    -0x8(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L64
L62:
  mov    -0x1c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x20(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rdx,%rax
  movl   $0x14,(%rax)
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int mark_pos(int **board, int x, int y, int q) {
  int i = 0, j = 0;
  int flag = 0;
  for (i = 0; i < q; i++) {
    j = y;
    if (board[i][j] == 0) {
      board[i][j] = 10;
    }
  }
  for (j = 0; j < q; j++) {
    i = x;
    if (board[i][j] == 0) {
      board[i][j] = 10;
    }
  }
  for (i = x, j = y; i < q && j < q; i++, j++) {
    if (board[i][j] == 0) {
      board[i][j] = 10;
    }
  }
  for (i = x, j = y; i >= 0 && j >= 0; i--, j--) {
    if (board[i][j] == 0) {
      board[i][j] = 10;
    }
  }
  for (i = x, j = y; i < q && j >= 0; i++, j--) {
    if (board[i][j] == 0) {
      board[i][j] = 10;
    }
  }
  for (i = x, j = y; i >= 0 && j < q; i--, j++) {
    if (board[i][j] == 0) {
      board[i][j] = 10;
    }
  }
  board[x][y] = 20;
  return 0;
}
```