user: Translate the below assembly code into C programming language:

```asm
<knight_tour>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r12
  push   %rbx
  sub    $0x40,%rsp
  mov    %edi,-0x44(%rbp)
  mov    %esi,-0x48(%rbp)
  mov    %edx,-0x4c(%rbp)
  mov    %ecx,-0x50(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%r12
  movl   $0x0,-0x34(%rbp)
  mov    -0x48(%rbp),%eax
  imul   -0x44(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x30(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r10
  mov    $0x0,%r11d
  movslq %eax,%rdx
  mov    %rdx,%r8
  mov    $0x0,%r9d
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%ebx
  mov    $0x0,%edx
  div    %rbx
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L81:
  cmp    %rdx,%rsp
  je     L90
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L81
L90:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L76
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L76:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x48(%rbp),%eax
  cltq
  shl    $0x3,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  jne    L66
  mov    $0x1,%eax
  jmp    L85
L8:
  mov    -0x44(%rbp),%eax
  add    $0x1,%eax
  cltq
  mov    -0x34(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x20(%rbp),%rdx
  lea    (%rcx,%rdx,1),%rbx
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,(%rbx)
  mov    -0x44(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x34(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%rax
  mov    $0x30,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    -0x34(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x34(%rbp)
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x44(%rbp),%eax
  cltq
  add    %rdx,%rax
  movb   $0x0,(%rax)
L66:
  mov    -0x34(%rbp),%eax
  cmp    -0x48(%rbp),%eax
  jl     L8
  mov    -0x28(%rbp),%rax
  mov    -0x4c(%rbp),%edx
  mov    %edx,(%rax)
  mov    -0x28(%rbp),%rax
  mov    -0x50(%rbp),%edx
  mov    %edx,0x4(%rax)
  mov    -0x28(%rbp),%rax
  mov    0x4(%rax),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  cltq
  add    %rdx,%rax
  movb   $0x4b,(%rax)
  mov    -0x48(%rbp),%ecx
  mov    -0x44(%rbp),%edx
  mov    -0x28(%rbp),%rsi
  mov    -0x20(%rbp),%rax
  mov    $0x0,%r8d
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <kt_solve@plt>
  test   %eax,%eax
  je     L84
  mov    -0x48(%rbp),%ecx
  mov    -0x44(%rbp),%edx
  mov    -0x28(%rbp),%rsi
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <print_solution@plt>
  jmp    L12
L84:
  lea    D9(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
L12:
  movl   $0x0,-0x34(%rbp)
  jmp    L56
L16:
  mov    -0x34(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x34(%rbp)
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <free@plt>
L56:
  mov    -0x34(%rbp),%eax
  cmp    -0x48(%rbp),%eax
  jl     L16
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x1,%eax
L85:
  mov    %r12,%rsp
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L70
  call   <__stack_chk_fail@plt>
L70:
  lea    -0x10(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: tag: D9
type_guessed: string

tool: D9: The knight tour is not possible.


assistant: ```c
int knight_tour(int x, int y, int start_x, int start_y) {
  int i = 0;
  int sol[y * x][2];
  char **map = malloc(sizeof(char *) * y);
  if (!map)
    return (1);
  while (i < y) {
    map[i] = malloc(sizeof(char) * (x + 1));
    memset(map[i], '0', x);
    map[i++][x] = '\0';
  }
  sol[0][0] = start_x, sol[0][1] = start_y;
  map[sol[0][1]][sol[0][0]] = 'K';
  if (kt_solve(map, sol, x, y, 0))
    print_solution(map, sol, x, y);
  else
    printf("%s\n", "The knight tour is not possible.\n");
  i = 0;
  while (i < y)
    free(map[i++]);
  free(map);
  return (1);
}
```