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

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xa8,%rsp
  mov    %rsi,0x8(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x98(%rsp)
  xor    %eax,%eax
  cmp    $0x1,%edi
  jle    L66
  mov    0x8(%rsp),%rcx
  movl   $0x0,0x4(%rsp)
  lea    -0x2(%rdi),%eax
  lea    D74(%rip),%r12
  lea    D85(%rip),%r15
  lea    0x8(%rcx),%rbx
  lea    0x10(%rcx,%rax,8),%rbp
  nopl   (%rax)
L54:
  mov    (%rbx),%rdi
  xor    %eax,%eax
  call   <atoi@plt>
  test   %eax,%eax
  jle    L94
  mov    (%rbx),%rdi
  xor    %eax,%eax
  call   <atoi@plt>
  mov    %eax,%r13d
  cmp    $0x63,%eax
  jg     L63
  mov    0x4(%rsp),%eax
  test   %eax,%eax
  jne    L63
  mov    %r15,%rdi
  call   <puts@plt>
  lea    D5(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x30(%rsp),%rsi
  lea    D13(%rip),%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  movabs $0x6172637970706f70,%rax
  cmp    %rax,0x30(%rsp)
  je     L12
L15:
  lea    D51(%rip),%rdi
  call   <puts@plt>
  mov    $0xffffffff,%edi
  call   <exit@plt>
  nopl   0x0(%rax)
L12:
  cmpw   $0x6873,0x38(%rsp)
  jne    L15
  movl   $0x1,0x4(%rsp)
  nopl   0x0(%rax)
L63:
  lea    0x10(%rsp),%r14
  xor    %eax,%eax
  lea    -0x1(%r13),%edi
  mov    %r14,%rsi
  call   <scrn_passwd@plt>
  test   %eax,%eax
  je     L23
  mov    %r14,%rdx
  mov    %r13d,%esi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <printf@plt>
L75:
  add    $0x8,%rbx
  cmp    %rbp,%rbx
  jne    L54
  mov    0x98(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L44
  add    $0xa8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L94:
  mov    (%rbx),%rsi
  lea    D72(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L75
L23:
  mov    0x8(%rsp),%rax
  lea    D45(%rip),%rdi
  lea    D64(%rip),%rdx
  mov    (%rax),%rsi
  xor    %eax,%eax
  call   <printf@plt>
  or     $0xffffffff,%edi
  call   <exit@plt>
L66:
  mov    (%rsi),%rsi
  lea    D38(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  or     $0xffffffff,%edi
  call   <exit@plt>
L44:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: tag: D74
datatype: string
name: unpack_data
arguments: tag: D85
datatype: string
name: unpack_data
arguments: tag: D5
datatype: string
name: unpack_data
arguments: tag: D13
datatype: string
name: unpack_data
arguments: tag: D51
datatype: string
name: unpack_data
arguments: tag: D72
datatype: string
name: unpack_data
arguments: tag: D45
datatype: string
name: unpack_data
arguments: tag: D64
datatype: string
name: unpack_data
arguments: tag: D38
datatype: string

tool: D74: Screen %d password is '%s'.


tool: D85: You need clearance to see passwords below 100.

tool: D5: Enter master password:

tool: D13: %s

tool: D51: Foo, charlatan!

tool: D72: Option not known: %s.


tool: D45: %s: Cannot access %s.


tool: D64: /usr/share/dict/words

tool: D38: Usage: %s screen1 screen2 ...


assistant: ```c
main(argc, argv) int argc;
char *argv[];
{
  int scr, position, mpw = 0;
  char pass[20];
  char pw[100];
  if (argc < 2) {
    printf("Usage: %s screen1 screen2 ...\n", argv[0]);
    exit(-1);
  }
  position = 0;
  while (++position < argc) {
    if (atoi(argv[position]) < 1) {
      printf("Option not known: %s.\n", argv[position]);
      continue;
    }
    scr = atoi(argv[position]);
    if ((scr < 100) && (mpw == 0)) {
      printf("You need clearance to see passwords below 100.\n");
      printf("Enter master password:");
      scanf("%s", pw);
      if (strncmp(pw, "poppycrash", strlen("poppycrash"))) {
        printf("Foo, charlatan!\n");
        exit(-1);
      }
      mpw = 1;
    }
    if (!scrn_passwd((scr - 1), pass)) {
      printf("%s: Cannot access %s.\n", argv[0], "/usr/share/dict/words");
      exit(-1);
    }
    printf("Screen %d password is '%s'.\n", scr, pass);
  }
}
```