user: Please show me the C implementation that matches the assembly code listed below:

```asm
<incorrect_tokens>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    $0x0,%eax
  call   <reset@plt>
  mov    $0x6d,%edi
  call   <syntactically_correct@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  lea    D4(%rip),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x77,%edi
  call   <syntactically_correct@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  lea    D57(%rip),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x64,%edi
  call   <syntactically_correct@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  lea    D13(%rip),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x3c,%edi
  call   <syntactically_correct@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  lea    D35(%rip),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x3e,%edi
  call   <syntactically_correct@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  lea    D21(%rip),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <assert@plt>
  movl   $0x61,-0x34(%rbp)
  jmp    L15
L88:
  movabs $0x6e20736920272027,%rax
  movabs $0x6c6176206120746f,%rdx
  mov    %rax,-0x30(%rbp)
  mov    %rdx,-0x28(%rbp)
  movabs $0x6e656b6f74206469,%rax
  mov    %rax,-0x20(%rbp)
  movw   $0x2e,-0x18(%rbp)
  cmpl   $0x77,-0x34(%rbp)
  jg     L26
  cmpl   $0x3c,-0x34(%rbp)
  jge    L65
  cmpl   $0x2b,-0x34(%rbp)
  je     L24
  cmpl   $0x2d,-0x34(%rbp)
  je     L24
  jmp    L26
L65:
  mov    -0x34(%rbp),%eax
  sub    $0x3c,%eax
  movabs $0x802010000000005,%rdx
  mov    %eax,%ecx
  shr    %cl,%rdx
  mov    %rdx,%rax
  and    $0x1,%eax
  test   %rax,%rax
  setne  %al
  test   %al,%al
  jne    L24
L26:
  mov    -0x34(%rbp),%eax
  mov    %al,-0x2f(%rbp)
  mov    $0x0,%eax
  call   <reset@plt>
  mov    -0x34(%rbp),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <syntactically_correct@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  lea    -0x30(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <assert@plt>
  jmp    L66
L24:
  nop
L66:
  addl   $0x1,-0x34(%rbp)
L15:
  cmpl   $0x7a,-0x34(%rbp)
  jle    L88
  mov    $0x0,%eax
  call   <reset@plt>
  mov    $0x21,%edi
  call   <syntactically_correct@plt>
  mov    $0x61,%edi
  call   <syntactically_correct@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  lea    D28(%rip),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <assert@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L54
  call   <__stack_chk_fail@plt>
L54:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D4
datatype: string
name: disassemble_data
arguments: data_label: D57
datatype: string
name: disassemble_data
arguments: data_label: D13
datatype: string
name: disassemble_data
arguments: data_label: D35
datatype: string
name: disassemble_data
arguments: data_label: D21
datatype: string
name: disassemble_data
arguments: data_label: D28
datatype: string

tool: D4: 'm' is a not valid token with no dwarf or sub

tool: D57: 'w' is a not valid token with no dwarf or sub

tool: D13: 'd' is a not valid token with no dwarf or sub

tool: D35: '>' is a not valid token with no dwarf or sub

tool: D21: '<' is a not valid token with no dwarf or sub

tool: D28: '!a' is not syntactically correct

assistant: ```c
void incorrect_tokens() {
  reset();
  assert(!syntactically_correct('m'), "'m' is a not valid token with no dwarf or sub");
  assert(!syntactically_correct('w'), "'w' is a not valid token with no dwarf or sub");
  assert(!syntactically_correct('d'), "'d' is a not valid token with no dwarf or sub");
  assert(!syntactically_correct('<'), "'>' is a not valid token with no dwarf or sub");
  assert(!syntactically_correct('>'), "'<' is a not valid token with no dwarf or sub");
  for (int i = 'a'; i <= 'z'; i++) {
    char message[26] = "' ' is not a valid token.";
    switch (i) {
    case '+':
    case '-':
    case 'm':
    case 'w':
    case 'd':
    case '<':
    case '>':
      break;
    default:
      message[1] = i;
      reset();
      assert(!syntactically_correct(i), message);
    }
  }
  reset();
  syntactically_correct('!');
  assert(!syntactically_correct('a'), "'!a' is not syntactically correct");
}
```