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

```asm
<ipv4_optnumber>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%eax
  mov    %al,-0x4(%rbp)
  movzbl -0x4(%rbp),%eax
  cmp    $0x1e,%eax
  ja     L29
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D279(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D279(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  lea    D5(%rip),%rax
  jmp    L262
  lea    D257(%rip),%rax
  jmp    L262
  lea    D174(%rip),%rax
  jmp    L262
  lea    D280(%rip),%rax
  jmp    L262
  lea    D137(%rip),%rax
  jmp    L262
  lea    D114(%rip),%rax
  jmp    L262
  lea    D20(%rip),%rax
  jmp    L262
  lea    D241(%rip),%rax
  jmp    L262
  lea    D261(%rip),%rax
  jmp    L262
  lea    D278(%rip),%rax
  jmp    L262
  lea    D127(%rip),%rax
  jmp    L262
  lea    D260(%rip),%rax
  jmp    L262
  lea    D91(%rip),%rax
  jmp    L262
  lea    D180(%rip),%rax
  jmp    L262
  lea    D204(%rip),%rax
  jmp    L262
  lea    D185(%rip),%rax
  jmp    L262
  lea    D145(%rip),%rax
  jmp    L262
  lea    D273(%rip),%rax
  jmp    L262
  lea    D225(%rip),%rax
  jmp    L262
  lea    D244(%rip),%rax
  jmp    L262
  lea    D158(%rip),%rax
  jmp    L262
  lea    D110(%rip),%rax
  jmp    L262
  lea    D96(%rip),%rax
  jmp    L262
  lea    D71(%rip),%rax
  jmp    L262
  lea    D32(%rip),%rax
  jmp    L262
  lea    D186(%rip),%rax
  jmp    L262
L29:
  lea    D219(%rip),%rax
L262:
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D5
type_guessed: string
name: retrieve_data
arguments: data_label: D257
type_guessed: string
name: retrieve_data
arguments: data_label: D174
type_guessed: string
name: retrieve_data
arguments: data_label: D280
type_guessed: string
name: retrieve_data
arguments: data_label: D137
type_guessed: string
name: retrieve_data
arguments: data_label: D114
type_guessed: string
name: retrieve_data
arguments: data_label: D20
type_guessed: string
name: retrieve_data
arguments: data_label: D241
type_guessed: string
name: retrieve_data
arguments: data_label: D261
type_guessed: string
name: retrieve_data
arguments: data_label: D278
type_guessed: string
name: retrieve_data
arguments: data_label: D127
type_guessed: string
name: retrieve_data
arguments: data_label: D260
type_guessed: string
name: retrieve_data
arguments: data_label: D91
type_guessed: string
name: retrieve_data
arguments: data_label: D180
type_guessed: string
name: retrieve_data
arguments: data_label: D204
type_guessed: string
name: retrieve_data
arguments: data_label: D185
type_guessed: string
name: retrieve_data
arguments: data_label: D145
type_guessed: string
name: retrieve_data
arguments: data_label: D273
type_guessed: string
name: retrieve_data
arguments: data_label: D225
type_guessed: string
name: retrieve_data
arguments: data_label: D244
type_guessed: string
name: retrieve_data
arguments: data_label: D158
type_guessed: string
name: retrieve_data
arguments: data_label: D110
type_guessed: string
name: retrieve_data
arguments: data_label: D96
type_guessed: string
name: retrieve_data
arguments: data_label: D71
type_guessed: string
name: retrieve_data
arguments: data_label: D32
type_guessed: string
name: retrieve_data
arguments: data_label: D186
type_guessed: string
name: retrieve_data
arguments: data_label: D219
type_guessed: string

tool: D5: EOOL

tool: D257: NOP

tool: D174: SEC

tool: D280: LSR

tool: D137: TS

tool: D114: E-SEC

tool: D20: CIPSO

tool: D241: RR

tool: D261: SID

tool: D278: SSR

tool: D127: ZSU

tool: D260: MTUP

tool: D91: MTUR

tool: D180: FINN

tool: D204: VISA

tool: D185: ENCODE

tool: D145: IMITD

tool: D273: EIP

tool: D225: TR

tool: D244: ADDEXT

tool: D158: RTRALT

tool: D110: SDB

tool: D96: DPS

tool: D71: UMP

tool: D32: QS

tool: D186: EXP

tool: D219: UNKNOWN

assistant: ```c
char *ipv4_optnumber(unsigned char id) {
  switch (id) {
  case 0:
    return ("EOOL");
  case 1:
    return ("NOP");
  case 2:
    return ("SEC");
  case 3:
    return ("LSR");
  case 4:
    return ("TS");
  case 5:
    return ("E-SEC");
  case 6:
    return ("CIPSO");
  case 7:
    return ("RR");
  case 8:
    return ("SID");
  case 9:
    return ("SSR");
  case 10:
    return ("ZSU");
  case 11:
    return ("MTUP");
  case 12:
    return ("MTUR");
  case 13:
    return ("FINN");
  case 14:
    return ("VISA");
  case 15:
    return ("ENCODE");
  case 16:
    return ("IMITD");
  case 17:
    return ("EIP");
  case 18:
    return ("TR");
  case 19:
    return ("ADDEXT");
  case 20:
    return ("RTRALT");
  case 21:
    return ("SDB");
  case 23:
    return ("DPS");
  case 24:
    return ("UMP");
  case 25:
    return ("QS");
  case 30:
    return ("EXP");
  }
  return ("UNKNOWN");
}
```