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

```asm
<getword>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  jmp    L13
L199:
  mov    -0x4(%rbp),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <putchar@plt>
L13:
  mov    $0x0,%eax
  call   <getch@plt>
  movsbl %al,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L199
  cmpl   $0x2f,-0x4(%rbp)
  jne    L110
  mov    $0x0,%eax
  call   <getch@plt>
  movsbl %al,%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0x2f,-0x4(%rbp)
  jne    L187
  nop
L133:
  mov    $0x0,%eax
  call   <getch@plt>
  cmp    $0xa,%al
  jne    L133
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    $0x0,%eax
  call   <getch@plt>
  movsbl %al,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L110
L187:
  cmpl   $0x2a,-0x4(%rbp)
  jne    L125
  mov    $0x0,%eax
  call   <getch@plt>
  mov    %al,-0x9(%rbp)
  mov    $0x0,%eax
  call   <getch@plt>
  mov    %al,-0x8(%rbp)
  jmp    L190
L222:
  movzbl -0x8(%rbp),%eax
  mov    %al,-0x9(%rbp)
  mov    $0x0,%eax
  call   <getch@plt>
  mov    %al,-0x8(%rbp)
L190:
  cmpb   $0x2a,-0x9(%rbp)
  jne    L222
  cmpb   $0x2f,-0x8(%rbp)
  jne    L222
  mov    $0x0,%eax
  call   <getch@plt>
  movsbl %al,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L110
L125:
  mov    -0x4(%rbp),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <ungetch@plt>
  movl   $0x2f,-0x4(%rbp)
L110:
  cmpl   $0x5c,-0x4(%rbp)
  jne    L90
  mov    $0x0,%eax
  call   <getch@plt>
  mov    %al,-0x5(%rbp)
  cmpb   $0x22,-0x5(%rbp)
  je     L90
  movsbl -0x5(%rbp),%eax
  mov    %eax,%edi
  call   <ungetch@plt>
L90:
  cmpl   $0x22,-0x4(%rbp)
  jne    L52
  mov    $0x0,%eax
  call   <getch@plt>
  mov    %al,-0x6(%rbp)
  movzbl -0x6(%rbp),%eax
  mov    %al,-0x7(%rbp)
L66:
  cmpb   $0x5c,-0x7(%rbp)
  je     L6
  cmpb   $0x22,-0x6(%rbp)
  je     L204
L6:
  movzbl -0x6(%rbp),%eax
  mov    %al,-0x7(%rbp)
  mov    $0x0,%eax
  call   <getch@plt>
  mov    %al,-0x6(%rbp)
  jmp    L66
L204:
  nop
L52:
  mov    D0(%rip),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x4(%rbp)
  je     L216
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  mov    -0x4(%rbp),%edx
  mov    %dl,(%rax)
L216:
  mov    -0x4(%rbp),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isalnum@plt>
  test   %eax,%eax
  jne    L130
  cmpl   $0x23,-0x4(%rbp)
  je     L130
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x4(%rbp),%eax
  jmp    L198
L26:
  mov    $0x0,%eax
  call   <getch@plt>
  mov    -0x18(%rbp),%rdx
  mov    %al,(%rdx)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isalnum@plt>
  test   %eax,%eax
  jne    L103
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x23,%al
  je     L103
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <ungetch@plt>
  jmp    L19
L103:
  addq   $0x1,-0x18(%rbp)
L130:
  subl   $0x1,-0x1c(%rbp)
  cmpl   $0x0,-0x1c(%rbp)
  jne    L26
L19:
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
L198:
  leave
  ret
```

assistant: ```c
int getword(char *w, int maxlen) {
  int c;
  while (isspace(c = getch())) {
    putchar(c);
  }
  if (c == '/') {
    if ((c = getch()) == '/') {
      while (getch() != '\n')
        ;
      putchar('\n');
      c = getch();
    } else if (c == '*') {
      char tmp1, tmp2;
      tmp1 = getch();
      tmp2 = getch();
      while (tmp1 != '*' || tmp2 != '/') {
        tmp1 = tmp2;
        tmp2 = getch();
      }
      c = getch();
    } else {
      ungetch(c);
      c = '/';
    }
  }
  if (c == '\\') {
    char tmp;
    if ((tmp = getch()) != '\"') {
      ungetch(tmp);
    }
  }
  if (c == '\"') {
    char tmp1, tmp2;
    tmp1 = tmp2 = getch();
    while (1) {
      if (tmp1 != '\\' && tmp2 == '\"')
        break;
      tmp1 = tmp2;
      tmp2 = getch();
    }
  }
  if (c != EOF) {
    *w++ = c;
  }
  if (!isalnum(c) && c != '#') {
    *w = '\0';
    return c;
  }
  for (; --maxlen; w++) {
    if (!isalnum(*w = getch()) && *w != '#') {
      ungetch(*w);
      break;
    }
  }
  *w = '\0';
  return w[0];
}
```