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

```asm
<TclWordEnd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %edx,-0x34(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  cmpq   $0x0,-0x40(%rbp)
  je     L87
  mov    -0x40(%rbp),%rax
  movl   $0x0,(%rax)
L87:
  mov    -0x28(%rbp),%rbx
L58:
  movzbl (%rbx),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %eax,%eax
  jne    L410
  movzbl (%rbx),%eax
  cmp    $0x5c,%al
  jne    L115
  lea    0x1(%rbx),%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  jne    L115
  lea    0x2(%rbx),%rax
  cmp    %rax,-0x30(%rbp)
  jne    L47
  lea    0x2(%rbx),%rax
  jmp    L315
L410:
  nop
  jmp    L212
L47:
  nop
L212:
  add    $0x1,%rbx
  jmp    L58
L115:
  nop
  movzbl (%rbx),%eax
  cmp    $0x22,%al
  jne    L249
  lea    0x1(%rbx),%rcx
  mov    -0x30(%rbp),%rax
  mov    $0x22,%edx
  mov    %rax,%rsi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <QuoteEnd@plt>
  cltq
  mov    %rax,%rbx
  cmp    -0x30(%rbp),%rbx
  jne    L151
  mov    %rbx,%rax
  jmp    L315
L151:
  add    $0x1,%rbx
  jmp    L355
L249:
  movzbl (%rbx),%eax
  cmp    $0x7b,%al
  jne    L355
  movl   $0x1,-0x1c(%rbp)
  jmp    L71
L6:
  add    $0x1,%rbx
  jmp    L433
L336:
  lea    -0x20(%rbp),%rax
  mov    %rax,%rsi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <Tcl_Backslash@plt>
  mov    -0x20(%rbp),%eax
  cltq
  add    %rax,%rbx
L433:
  movzbl (%rbx),%eax
  cmp    $0x5c,%al
  je     L336
  movzbl (%rbx),%eax
  cmp    $0x7d,%al
  jne    L24
  subl   $0x1,-0x1c(%rbp)
  jmp    L71
L24:
  movzbl (%rbx),%eax
  cmp    $0x7b,%al
  jne    L178
  addl   $0x1,-0x1c(%rbp)
  jmp    L71
L178:
  cmp    -0x30(%rbp),%rbx
  jne    L71
  mov    %rbx,%rax
  jmp    L315
L71:
  cmpl   $0x0,-0x1c(%rbp)
  jne    L6
  add    $0x1,%rbx
L355:
  movzbl (%rbx),%eax
  cmp    $0x5b,%al
  jne    L414
  lea    0x1(%rbx),%rcx
  mov    -0x30(%rbp),%rax
  mov    $0x1,%edx
  mov    %rax,%rsi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <ScriptEnd@plt>
  cltq
  mov    %rax,%rbx
  cmp    -0x30(%rbp),%rbx
  jne    L102
  mov    %rbx,%rax
  jmp    L315
L102:
  add    $0x1,%rbx
  jmp    L355
L414:
  movzbl (%rbx),%eax
  cmp    $0x5c,%al
  jne    L219
  lea    0x1(%rbx),%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  jne    L379
  lea    -0x1(%rbx),%rax
  jmp    L315
L379:
  lea    -0x20(%rbp),%rax
  mov    %rax,%rsi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <Tcl_Backslash@plt>
  mov    -0x20(%rbp),%eax
  cltq
  add    %rax,%rbx
  jmp    L355
L219:
  movzbl (%rbx),%eax
  cmp    $0x24,%al
  jne    L264
  mov    -0x30(%rbp),%rax
  mov    %rax,%rsi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <VarNameEnd@plt>
  cltq
  mov    %rax,%rbx
  cmp    -0x30(%rbp),%rbx
  jne    L131
  mov    %rbx,%rax
  jmp    L315
L131:
  add    $0x1,%rbx
  jmp    L355
L264:
  movzbl (%rbx),%eax
  cmp    $0x3b,%al
  jne    L27
  cmpq   $0x0,-0x40(%rbp)
  je     L188
  mov    -0x40(%rbp),%rax
  movl   $0x1,(%rax)
L188:
  mov    %rbx,%rax
  jmp    L315
L27:
  movzbl (%rbx),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %eax,%eax
  je     L206
  lea    -0x1(%rbx),%rax
  jmp    L315
L206:
  movzbl (%rbx),%eax
  cmp    $0x5d,%al
  jne    L237
  cmpl   $0x0,-0x34(%rbp)
  je     L237
  lea    -0x1(%rbx),%rax
  jmp    L315
L237:
  cmp    -0x30(%rbp),%rbx
  jne    L269
  cmpl   $0x0,-0x34(%rbp)
  je     L148
  mov    %rbx,%rax
  jmp    L315
L148:
  lea    -0x1(%rbx),%rax
  jmp    L315
L269:
  add    $0x1,%rbx
  jmp    L355
L315:
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L380
  call   <__stack_chk_fail@plt>
L380:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
char *TclWordEnd(start, lastChar, nested, semiPtr)
char *start;
char *lastChar;
int nested;
int *semiPtr;
{
  register char *p;
  int count;
  if (semiPtr != 0) {
    *semiPtr = 0;
  }
  for (p = start;; p++) {
    if (isspace(((unsigned char)(*p)))) {
      continue;
    }
    if ((p[0] == '\\') && (p[1] == '\n')) {
      if (p + 2 == lastChar) {
        return p + 2;
      }
      continue;
    }
    break;
  }
  if (*p == '"') {
    p = QuoteEnd(p + 1, lastChar, '"');
    if (p == lastChar) {
      return p;
    }
    p++;
  } else if (*p == '{') {
    int braces = 1;
    while (braces != 0) {
      p++;
      while (*p == '\\') {
        (void)Tcl_Backslash(p, &count);
        p += count;
      }
      if (*p == '}') {
        braces--;
      } else if (*p == '{') {
        braces++;
      } else if (p == lastChar) {
        return p;
      }
    }
    p++;
  }
  while (1) {
    if (*p == '[') {
      p = ScriptEnd(p + 1, lastChar, 1);
      if (p == lastChar) {
        return p;
      }
      p++;
    } else if (*p == '\\') {
      if (p[1] == '\n') {
        return p - 1;
      }
      (void)Tcl_Backslash(p, &count);
      p += count;
    } else if (*p == '$') {
      p = VarNameEnd(p, lastChar);
      if (p == lastChar) {
        return p;
      }
      p++;
    } else if (*p == ';') {
      if (semiPtr != 0) {
        *semiPtr = 1;
      }
      return p;
    } else if (isspace(((unsigned char)(*p)))) {
      return p - 1;
    } else if ((*p == ']') && nested) {
      return p - 1;
    } else if (p == lastChar) {
      if (nested) {
        return p;
      }
      return p - 1;
    } else {
      p++;
    }
  }
}
```