user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D31(%rip),%rdi
  lea    D118(%rip),%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    D85(%rip),%rdi
  call   <printf@plt>
  lea    D22(%rip),%rdi
  call   <printf@plt>
  lea    D23(%rip),%rdi
  call   <printf@plt>
  lea    D106(%rip),%rdi
  call   <printf@plt>
  lea    D122(%rip),%rdi
  call   <printf@plt>
  lea    D114(%rip),%rdi
  call   <printf@plt>
  lea    D74(%rip),%rdi
  call   <printf@plt>
  lea    D57(%rip),%rdi
  call   <printf@plt>
  mov    %rsp,%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  lea    D55(%rip),%rdi
  call   <printf@plt>
  lea    D101(%rip),%rdi
  call   <printf@plt>
  lea    0x8(%rsp),%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  lea    D44(%rip),%rdi
  call   <printf@plt>
  lea    0x10(%rsp),%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  mov    0x10(%rsp),%r8
  mov    (%rsp),%rdi
  xor    %edx,%edx
  mov    0x8(%rsp),%rcx
  xor    %esi,%esi
  call   <lfill@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x20,%rsp
  mov    $0x1,%eax
  pop    %rbp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D31
type_guessed: string
name: retrieve_data
arguments: data_tag: D118
type_guessed: string
name: retrieve_data
arguments: data_tag: D85
type_guessed: string
name: retrieve_data
arguments: data_tag: D22
type_guessed: string
name: retrieve_data
arguments: data_tag: D23
type_guessed: string
name: retrieve_data
arguments: data_tag: D106
type_guessed: string
name: retrieve_data
arguments: data_tag: D122
type_guessed: string
name: retrieve_data
arguments: data_tag: D114
type_guessed: string
name: retrieve_data
arguments: data_tag: D74
type_guessed: string
name: retrieve_data
arguments: data_tag: D57
type_guessed: string
name: retrieve_data
arguments: data_tag: D55
type_guessed: string
name: retrieve_data
arguments: data_tag: D101
type_guessed: string
name: retrieve_data
arguments: data_tag: D44
type_guessed: string

tool: D31: Location and Shape Definitions :-



tool: D118: %ld

tool: D85: Location gives the co-ordinates of the center element of the shape


tool: D22: The co-ordinates go from (0,0) on BOTTOM LEFT to (n-1,n-1) on TOP RIGHT



tool: D23: Shape gives the orientation of the L shaped tile


tool: D106: Shape 1 means proper L shape


tool: D122: Shape 2 means upside down L shape


tool: D114: Shape 3 means mirrored L shape


tool: D74: Shape 4 means mirrored upside down L shape




tool: D57: Enter the value of 'n' (must be a power of 2) : 

tool: D55: Enter the co-ordinates of the missing cell :-


tool: D101: x : 

tool: D44: y : 

assistant: ```c
int main() {
  printf("Location and Shape Definitions :-\n\n");
  printf("Location gives the co-ordinates of the center element of the shape\n");
  printf("The co-ordinates go from (0,0) on BOTTOM LEFT to (n-1,n-1) on TOP RIGHT\n\n");
  printf("Shape gives the orientation of the L shaped tile\n");
  printf("Shape 1 means proper L shape\n");
  printf("Shape 2 means upside down L shape\n");
  printf("Shape 3 means mirrored L shape\n");
  printf("Shape 4 means mirrored upside down L shape\n\n\n");
  long int n, x, y;
  printf("Enter the value of 'n' (must be a power of 2) : ");
  scanf("%ld", &n);
  printf("Enter the co-ordinates of the missing cell :-\n");
  printf("x : ");
  scanf("%ld", &x);
  printf("y : ");
  scanf("%ld", &y);
  lfill(n, 0, 0, x, y);
  return 1;
}
```