user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    D5(%rip),%rdi
  call   <printf@plt>
  lea    0xc(%rsp),%rsi
  lea    D94(%rip),%rdi
  call   <scanf@plt>
  mov    0xc(%rsp),%ebx
  cmp    $0x1,%ebx
  je     L116
  cmp    $0x2,%ebx
  je     L95
  test   %ebx,%ebx
  je     L45
  mov    $0x0,%ebx
L29:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L47
  mov    %ebx,%eax
  add    $0x20,%rsp
  pop    %rbx
  ret
L45:
  lea    D21(%rip),%rdi
  call   <puts@plt>
  jmp    L29
L116:
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %eax,0x10(%rsp)
  call   <fork@plt>
  mov    %eax,%ebx
  cmp    $0xffffffff,%eax
  je     L119
  test   %eax,%eax
  jne    L122
  call   <getpid@plt>
  mov    %eax,%esi
  lea    D100(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L29
L119:
  lea    D55(%rip),%rdi
  call   <puts@plt>
  jmp    L29
L122:
  mov    0x10(%rsp),%esi
  lea    D91(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%ebx
  jmp    L29
L95:
  lea    D25(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    0x10(%rsp),%rsi
  lea    D94(%rip),%rbx
  mov    %rbx,%rdi
  call   <scanf@plt>
  lea    D78(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    0x14(%rsp),%rsi
  mov    %rbx,%rdi
  call   <scanf@plt>
  mov    0x14(%rsp),%edx
  mov    0x10(%rsp),%esi
  mov    $0x15f,%edi
  call   <syscall@plt>
  test   %rax,%rax
  je     L65
  mov    %rax,%rsi
  lea    D80(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xffffffff,%ebx
  jmp    L29
L65:
  lea    D60(%rip),%rdi
  call   <puts@plt>
  mov    $0x0,%ebx
  jmp    L29
L47:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D5
type: string
name: disassemble_data
arguments: data_tag: D94
type: string
name: disassemble_data
arguments: data_tag: D21
type: string
name: disassemble_data
arguments: data_tag: D100
type: string
name: disassemble_data
arguments: data_tag: D55
type: string
name: disassemble_data
arguments: data_tag: D91
type: string
name: disassemble_data
arguments: data_tag: D25
type: string
name: disassemble_data
arguments: data_tag: D78
type: string
name: disassemble_data
arguments: data_tag: D80
type: string
name: disassemble_data
arguments: data_tag: D60
type: string

tool: D5: Enter (1) to fork current process or (2) to change a specific process' hidden flag. (0) to exit. 

tool: D94: %d

tool: D21: Good bye...

tool: D100: I'm the child process and my pid is %d


tool: D55: Process couldn't fork succesfully. You have no permission to do this operation.

tool: D91: I'm the parent process and my pid is %d


tool: D25: Please enter pid of process you want to change its flag: 

tool: D78: Please enter 'hidden' flag value: 

tool: D80: Hidden flag couldn't changed succesfully, error code is %ld.


tool: D60: Hidden flag has been changed succesfully.

assistant: ```c
int main(void) {
  int choice;
  pid_t pid;
  printf("Enter (1) to fork current process or (2) to change a specific process' hidden flag. (0) to exit. ");
  scanf("%d", &choice);
  switch (choice) {
  case 0: {
    printf("Good bye...\n");
    return 0;
  } break;
  case 1: {
    pid = getpid();
    int frk = fork();
    if (frk == -1) {
      printf("Process couldn't fork succesfully. You have no permission to do this operation.\n");
      return -1;
    } else if (frk == 0) {
      printf("I'm the child process and my pid is %d\n", getpid());
      return 0;
    } else {
      printf("I'm the parent process and my pid is %d\n", pid);
      return 0;
    }
  } break;
  case 2: {
    int flag;
    printf("Please enter pid of process you want to change its flag: ");
    scanf("%d", &pid);
    printf("Please enter 'hidden' flag value: ");
    scanf("%d", &flag);
    long ret = syscall(351, pid, flag);
    if (ret != 0) {
      printf("Hidden flag couldn't changed succesfully, error code is %ld.\n", ret);
      return -1;
    } else {
      printf("Hidden flag has been changed succesfully.\n");
      return 0;
    }
  } break;
  default:
    return 0;
  }
}
```