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

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r12
  push   %rbx
  add    $0xffffffffffffff80,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%r12
  movl   $0x64,-0x64(%rbp)
  mov    -0x64(%rbp),%edx
  movslq %edx,%rax
  sub    $0x1,%rax
  mov    %rax,-0x58(%rbp)
  movslq %edx,%rax
  mov    %rax,%rsi
  mov    $0x0,%edi
  movslq %edx,%rax
  mov    %rax,%rcx
  mov    $0x0,%ebx
  movslq %edx,%rax
  mov    $0x10,%edx
  sub    $0x1,%rdx
  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
L5:
  cmp    %rdx,%rsp
  je     L3
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L5
L3:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L13
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L13:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x50(%rbp)
  jmp    L109
L130:
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    -0x50(%rbp),%rax
  mov    %rax,%rdi
  call   <print_line@plt>
  mov    -0x50(%rbp),%rax
  mov    %rax,%rdi
  call   <len@plt>
  mov    %eax,%esi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x64(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x48(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  movslq %eax,%rdx
  mov    %rdx,-0x80(%rbp)
  movq   $0x0,-0x78(%rbp)
  cltq
  mov    $0x10,%edx
  sub    $0x1,%rdx
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L87:
  cmp    %rdx,%rsp
  je     L70
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L87
L70:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L4
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L4:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x40(%rbp),%rdx
  mov    -0x50(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <reverse@plt>
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <print_line@plt>
  mov    -0x50(%rbp),%rax
  mov    %rax,%rdi
  call   <rstrip_index@plt>
  mov    %eax,-0x5c(%rbp)
  mov    -0x5c(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x38(%rbp)
  movslq %eax,%rdx
  mov    %rdx,-0x90(%rbp)
  movq   $0x0,-0x88(%rbp)
  movslq %eax,%rdx
  mov    %rdx,-0xa0(%rbp)
  movq   $0x0,-0x98(%rbp)
  cltq
  mov    $0x10,%edx
  sub    $0x1,%rdx
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L71:
  cmp    %rdx,%rsp
  je     L114
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L71
L114:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L106
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L106:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x30(%rbp)
  movl   $0x0,-0x68(%rbp)
  jmp    L18
L24:
  mov    -0x50(%rbp),%rdx
  mov    -0x68(%rbp),%eax
  cltq
  movzbl (%rdx,%rax,1),%ecx
  mov    -0x30(%rbp),%rdx
  mov    -0x68(%rbp),%eax
  cltq
  mov    %cl,(%rdx,%rax,1)
  addl   $0x1,-0x68(%rbp)
L18:
  mov    -0x68(%rbp),%eax
  cmp    -0x5c(%rbp),%eax
  jle    L24
  mov    -0x5c(%rbp),%eax
  add    $0x1,%eax
  mov    -0x30(%rbp),%rdx
  cltq
  movb   $0x0,(%rdx,%rax,1)
  lea    D18(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <print_line@plt>
  mov    %rbx,%rsp
L109:
  mov    -0x64(%rbp),%edx
  mov    -0x50(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <getlines@plt>
  mov    %eax,-0x60(%rbp)
  cmpl   $0x0,-0x60(%rbp)
  jg     L130
  mov    %r12,%rsp
  mov    $0x0,%eax
  mov    -0x28(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L103
  call   <__stack_chk_fail@plt>
L103:
  lea    -0x20(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: data_label: D4
data_type: string
name: read_data
arguments: data_label: D18
data_type: string

tool: D4: length: %d


tool: D18: 
rstrip: 

assistant: ```c
main() {
  int length;
  int limit = 100;
  char line[limit];
  while ((length = getlines(line, limit)) > 0) {
    print_line(line);
    printf("length: %d\n", len(line));
    char reversed_line[limit];
    reverse(line, reversed_line);
    print_line(reversed_line);
    int i;
    int index = rstrip_index(line);
    char array[index + 1];
    for (i = 0; i <= index; ++i) {
      array[i] = line[i];
    }
    array[index + 1] = '\0';
    printf("\nrstrip: ");
    print_line(array);
  }
}
```