user: 请将以下的汇编代码转换成C语言代码：

```asm
<decode>:
  endbr64
  push   %r15
  mov    $0x8,%edx
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  xor    %esi,%esi
  push   %rbx
  sub    $0x48,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  call   <getBinaryData@plt>
  lea    D478(%rip),%rsi
  mov    %rbp,%rdi
  mov    %eax,%r12d
  call   <strcpy@plt>
  cmp    $0x5,%r12d
  je     L739
  cmp    $0x69,%r12d
  jg     L565
  cmp    $0x26,%r12d
  jle    L784
  lea    -0x27(%r12),%eax
  cmp    $0x42,%eax
  ja     L476
  lea    D366(%rip),%rdx
  movslq (%rdx,%rax,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  nop
L565:
  cmp    $0xa5,%r12d
  je     L314
  cmp    $0xff,%r12d
  jne    L476
  lea    D116(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    $0x20,%edx
  mov    $0x8,%esi
  mov    %r13,%rdi
  call   <getBinaryData@plt>
  cmp    $0xffffffff,%eax
  je     L156
  mov    $0x14,%edx
  mov    $0x8,%esi
  mov    %r13,%rdi
  call   <getBinaryData@plt>
  cmp    $0x947ff,%eax
  je     L696
  cmp    $0x96fff,%eax
  je     L437
  cmp    $0x807ff,%eax
  je     L708
  cmp    $0x82fff,%eax
  je     L23
  cmp    $0x857ff,%eax
  je     L322
  cmp    $0x87fff,%eax
  je     L276
  cmp    $0x88fff,%eax
  je     L14
  cmp    $0x8b7ff,%eax
  je     L630
  cmp    $0x8dfff,%eax
  je     L184
  cmp    $0x8e7ff,%eax
  je     L732
  cmp    $0x917ff,%eax
  je     L328
  cmp    $0x93fff,%eax
  je     L513
  lea    D441(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
  nopl   0x0(%rax,%rax,1)
L784:
  cmp    $0xa,%r12d
  je     L680
  cmp    $0x11,%r12d
  jne    L476
  lea    D132(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  nopl   0x0(%rax,%rax,1)
L166:
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L171
  add    $0x48,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
  lea    D421(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  jmp    L166
  nopl   0x0(%rax)
L739:
  lea    D467(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    $0x1,%edx
  mov    $0xc,%esi
  mov    %r13,%rdi
  call   <getBinaryData@plt>
  test   %eax,%eax
  jne    L529
L819:
  mov    $0x1,%edx
  mov    $0xd,%esi
  mov    %r13,%rdi
  call   <getBinaryData@plt>
  test   %eax,%eax
  jne    L620
L624:
  mov    $0x1,%edx
  mov    $0xe,%esi
  mov    %r13,%rdi
  call   <getBinaryData@plt>
  test   %eax,%eax
  jne    L753
L638:
  mov    $0x1,%edx
  mov    $0xf,%esi
  mov    %r13,%rdi
  call   <getBinaryData@plt>
  test   %eax,%eax
  jne    L177
L160:
  mov    $0x1,%edx
  mov    $0x10,%esi
  mov    %r13,%rdi
  call   <getBinaryData@plt>
  test   %eax,%eax
  je     L166
  lea    D109(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
  nopl   (%rax)
L476:
  lea    D41(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  jmp    L166
  nopl   0x0(%rax)
L314:
  mov    %r13,%rdi
  mov    $0x4,%edx
  mov    $0x9,%esi
  call   <getBinaryData@plt>
  lea    0x2c(%rsp),%r10
  lea    0x32(%rsp),%rbx
  mov    %r10,%rdi
  mov    %eax,%edx
  mov    %r10,0x18(%rsp)
  lea    0x34(%rsp),%r15
  lea    D251(%rip),%r14
  mov    %r14,%rsi
  call   <sprintf@plt>
  mov    %r13,%rdi
  mov    $0x4,%edx
  mov    $0xd,%esi
  call   <getBinaryData@plt>
  lea    0x2e(%rsp),%r9
  mov    %r14,%rsi
  mov    %r9,%rdi
  mov    %eax,%edx
  mov    %r9,0x10(%rsp)
  call   <sprintf@plt>
  mov    %r13,%rdi
  mov    $0x4,%edx
  mov    $0x13,%esi
  call   <getBinaryData@plt>
  lea    0x30(%rsp),%r8
  mov    %r14,%rsi
  mov    %r8,%rdi
  mov    %eax,%edx
  mov    %r8,0x8(%rsp)
  call   <sprintf@plt>
  mov    %r13,%rdi
  mov    $0x5,%edx
  mov    $0x17,%esi
  call   <getBinaryData@plt>
  mov    %r14,%rsi
  mov    %rbx,%rdi
  mov    %eax,%edx
  call   <sprintf@plt>
  mov    %r13,%rdi
  mov    $0x5,%edx
  mov    $0x1c,%esi
  call   <getBinaryData@plt>
  mov    %r14,%rsi
  mov    %r15,%rdi
  mov    %eax,%edx
  call   <sprintf@plt>
  mov    %r13,%rdi
  mov    $0x6,%edx
  mov    $0x21,%esi
  call   <getBinaryData@plt>
  lea    0x36(%rsp),%r13
  mov    %r14,%rsi
  lea    D289(%rip),%r14
  mov    %eax,%edx
  mov    %r13,%rdi
  call   <sprintf@plt>
  mov    %rbp,%rdi
  lea    D265(%rip),%rsi
  call   <strcpy@plt>
  mov    0x18(%rsp),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    0x10(%rsp),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    0x8(%rsp),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    %rbp,%rdi
  lea    D480(%rip),%rsi
  call   <strcat@plt>
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    %rbp,%rdi
  lea    D172(%rip),%rsi
  call   <strcat@plt>
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
  nopl   (%rax)
L680:
  lea    D187(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  jmp    L166
  nopl   0x0(%rax)
L177:
  lea    D484(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L160
  nopl   0x0(%rax)
L753:
  lea    D506(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L638
  nopl   0x0(%rax)
L620:
  lea    D269(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L624
  nopl   0x0(%rax)
L529:
  lea    D242(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L819
  nopl   0x0(%rax)
  lea    D193(%rip),%rsi
L469:
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    %r13,%rdi
  mov    $0x8,%edx
  mov    $0x29,%esi
  call   <getBinaryData@plt>
  mov    %eax,%r13d
  test   $0x1,%al
  jne    L717
L189:
  test   $0x2,%r13b
  jne    L475
L348:
  test   $0x4,%r13b
  jne    L669
L816:
  test   $0x8,%r13b
  jne    L497
L812:
  test   $0x10,%r13b
  jne    L801
L711:
  test   $0x20,%r13b
  jne    L682
L32:
  test   $0x40,%r13b
  jne    L329
L33:
  and    $0x80,%r13d
  je     L166
  lea    D6(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
  nopl   0x0(%rax)
  lea    D445(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    %r13,%rdi
  mov    $0x8,%edx
  mov    $0x29,%esi
  call   <getBinaryData@plt>
  mov    %eax,%r13d
  test   $0x1,%al
  jne    L535
L656:
  test   $0x2,%r13b
  jne    L679
L312:
  test   $0x4,%r13b
  jne    L306
L499:
  test   $0x8,%r13b
  jne    L374
L285:
  test   $0x10,%r13b
  jne    L813
L62:
  test   $0x20,%r13b
  jne    L228
L191:
  test   $0x40,%r13b
  jne    L37
L825:
  and    $0x80,%r13d
  je     L166
  lea    D448(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
  nopl   0x0(%rax)
  lea    D212(%rip),%rsi
  jmp    L469
  nopl   0x0(%rax)
  lea    D431(%rip),%rsi
  jmp    L469
  nopl   0x0(%rax)
L329:
  lea    D117(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L33
  nopl   0x0(%rax)
L682:
  lea    D64(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L32
  nopl   0x0(%rax)
L801:
  lea    D402(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L711
  nopl   0x0(%rax)
L497:
  lea    D199(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L812
  nopl   0x0(%rax)
L669:
  lea    D53(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L816
  nopl   0x0(%rax)
L475:
  lea    D73(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L348
  nopl   0x0(%rax)
L717:
  lea    D314(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L189
  nopl   0x0(%rax)
L156:
  lea    D157(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
  nopl   0x0(%rax)
L535:
  lea    D323(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L656
  nopl   0x0(%rax)
L306:
  lea    D93(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L499
  nopl   0x0(%rax)
L679:
  lea    D335(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L312
  nopl   0x0(%rax)
L37:
  lea    D52(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L825
  nopl   0x0(%rax)
L228:
  lea    D20(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L191
  nopl   0x0(%rax)
L813:
  lea    D349(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L62
  nopl   0x0(%rax)
L374:
  lea    D2(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L285
L696:
  lea    D312(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
L437:
  lea    D375(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
L708:
  lea    D283(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
L23:
  lea    D469(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
L322:
  lea    D0(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
L276:
  lea    D40(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
L14:
  lea    D374(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
L630:
  lea    D101(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
L184:
  lea    D357(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
L513:
  lea    D415(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
L732:
  lea    D501(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
L328:
  lea    D147(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L166
L171:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D478
type_guessed: string
name: unpack_data
arguments: data_label: D116
type_guessed: string
name: unpack_data
arguments: data_label: D441
type_guessed: string
name: unpack_data
arguments: data_label: D132
type_guessed: string
name: unpack_data
arguments: data_label: D421
type_guessed: string
name: unpack_data
arguments: data_label: D467
type_guessed: string
name: unpack_data
arguments: data_label: D109
type_guessed: string
name: unpack_data
arguments: data_label: D41
type_guessed: string
name: unpack_data
arguments: data_label: D251
type_guessed: string
name: unpack_data
arguments: data_label: D289
type_guessed: string
name: unpack_data
arguments: data_label: D265
type_guessed: string
name: unpack_data
arguments: data_label: D480
type_guessed: string
name: unpack_data
arguments: data_label: D172
type_guessed: string
name: unpack_data
arguments: data_label: D187
type_guessed: string
name: unpack_data
arguments: data_label: D484
type_guessed: string
name: unpack_data
arguments: data_label: D506
type_guessed: string
name: unpack_data
arguments: data_label: D269
type_guessed: string
name: unpack_data
arguments: data_label: D242
type_guessed: string
name: unpack_data
arguments: data_label: D193
type_guessed: string
name: unpack_data
arguments: data_label: D6
type_guessed: string
name: unpack_data
arguments: data_label: D445
type_guessed: string
name: unpack_data
arguments: data_label: D448
type_guessed: string
name: unpack_data
arguments: data_label: D212
type_guessed: string
name: unpack_data
arguments: data_label: D431
type_guessed: string
name: unpack_data
arguments: data_label: D117
type_guessed: string
name: unpack_data
arguments: data_label: D64
type_guessed: string
name: unpack_data
arguments: data_label: D402
type_guessed: string
name: unpack_data
arguments: data_label: D199
type_guessed: string
name: unpack_data
arguments: data_label: D53
type_guessed: string
name: unpack_data
arguments: data_label: D73
type_guessed: string
name: unpack_data
arguments: data_label: D314
type_guessed: string
name: unpack_data
arguments: data_label: D157
type_guessed: string
name: unpack_data
arguments: data_label: D323
type_guessed: string
name: unpack_data
arguments: data_label: D93
type_guessed: string
name: unpack_data
arguments: data_label: D335
type_guessed: string
name: unpack_data
arguments: data_label: D52
type_guessed: string
name: unpack_data
arguments: data_label: D20
type_guessed: string
name: unpack_data
arguments: data_label: D349
type_guessed: string
name: unpack_data
arguments: data_label: D2
type_guessed: string
name: unpack_data
arguments: data_label: D312
type_guessed: string
name: unpack_data
arguments: data_label: D375
type_guessed: string
name: unpack_data
arguments: data_label: D283
type_guessed: string
name: unpack_data
arguments: data_label: D469
type_guessed: string
name: unpack_data
arguments: data_label: D0
type_guessed: string
name: unpack_data
arguments: data_label: D40
type_guessed: string
name: unpack_data
arguments: data_label: D374
type_guessed: string
name: unpack_data
arguments: data_label: D101
type_guessed: string
name: unpack_data
arguments: data_label: D357
type_guessed: string
name: unpack_data
arguments: data_label: D415
type_guessed: string
name: unpack_data
arguments: data_label: D501
type_guessed: string
name: unpack_data
arguments: data_label: D147
type_guessed: string

tool: 

tool: D116: k->p 

tool: D441: unknown keypad msg

tool: D132: p->k Keypad query

tool: D421: p->k undefined command

tool: D467: p->k LED Status: 

tool: D109: Ready 

tool: D41: p->k unknown command.

tool: D251: %d

tool: D289: -

tool: D265: p->k Date: 20

tool: D480:  

tool: D172: :

tool: D187: p->k panel in program mode

tool: D484: Armed 

tool: D506: Memory 

tool: D269: Bypass 

tool: D242: Error 

tool: D193: p->k Zone2: 

tool: D6: 16 

tool: D445: p->k Zone1: 

tool: D448: 8 

tool: D212: p->k Zone4: 

tool: D431: p->k Zone3: 

tool: D117: 15 

tool: D64: 14 

tool: D402: 13 

tool: D199: 12 

tool: D53: 11 

tool: D73: 10 

tool: D314: 9 

tool: D157: idle

tool: D323: 1 

tool: D93: 3 

tool: D335: 2 

tool: D52: 7 

tool: D20: 6 

tool: D349: 5 

tool: D2: 4 

tool: D312: button * pressed

tool: D375: button # pressed

tool: D283: button 0 pressed

tool: D469: button 1 pressed

tool: D0: button 2 pressed

tool: D40: button 3 pressed

tool: D374: button 4 pressed

tool: D101: button 5 pressed

tool: D357: button 6 pressed

tool: D415: button 9 pressed

tool: D501: button 7 pressed

tool: D147: button 8 pressed

assistant: ```c
int decode(char *word, char *msg) {
  int cmd = 0, zones = 0, button = 0;
  char year3[2], year4[2], month[2], day[2], hour[2], minute[2];
  cmd = getBinaryData(word, 0, 8);
  strcpy(msg, "");
  if (cmd == 0x05) {
    strcpy(msg, "p->k LED Status: ");
    if (getBinaryData(word, 12, 1))
      strcat(msg, "Error ");
    if (getBinaryData(word, 13, 1))
      strcat(msg, "Bypass ");
    if (getBinaryData(word, 14, 1))
      strcat(msg, "Memory ");
    if (getBinaryData(word, 15, 1))
      strcat(msg, "Armed ");
    if (getBinaryData(word, 16, 1))
      strcat(msg, "Ready ");
  } else if (cmd == 0xa5) {
    sprintf(year3, "%d", getBinaryData(word, 9, 4));
    sprintf(year4, "%d", getBinaryData(word, 13, 4));
    sprintf(month, "%d", getBinaryData(word, 19, 4));
    sprintf(day, "%d", getBinaryData(word, 23, 5));
    sprintf(hour, "%d", getBinaryData(word, 28, 5));
    sprintf(minute, "%d", getBinaryData(word, 33, 6));
    strcpy(msg, "p->k Date: 20");
    strcat(msg, year3);
    strcat(msg, year4);
    strcat(msg, "-");
    strcat(msg, month);
    strcat(msg, "-");
    strcat(msg, day);
    strcat(msg, " ");
    strcat(msg, hour);
    strcat(msg, ":");
    strcat(msg, minute);
  } else if (cmd == 0x27) {
    strcpy(msg, "p->k Zone1: ");
    zones = getBinaryData(word, 41, 8);
    if (zones & 1)
      strcat(msg, "1 ");
    if (zones & 2)
      strcat(msg, "2 ");
    if (zones & 4)
      strcat(msg, "3 ");
    if (zones & 8)
      strcat(msg, "4 ");
    if (zones & 16)
      strcat(msg, "5 ");
    if (zones & 32)
      strcat(msg, "6 ");
    if (zones & 64)
      strcat(msg, "7 ");
    if (zones & 128)
      strcat(msg, "8 ");
  } else if (cmd == 0x2d) {
    strcpy(msg, "p->k Zone2: ");
    zones = getBinaryData(word, 41, 8);
    if (zones & 1)
      strcat(msg, "9 ");
    if (zones & 2)
      strcat(msg, "10 ");
    if (zones & 4)
      strcat(msg, "11 ");
    if (zones & 8)
      strcat(msg, "12 ");
    if (zones & 16)
      strcat(msg, "13 ");
    if (zones & 32)
      strcat(msg, "14 ");
    if (zones & 64)
      strcat(msg, "15 ");
    if (zones & 128)
      strcat(msg, "16 ");
  } else if (cmd == 0x34) {
    strcpy(msg, "p->k Zone3: ");
    zones = getBinaryData(word, 41, 8);
    if (zones & 1)
      strcat(msg, "9 ");
    if (zones & 2)
      strcat(msg, "10 ");
    if (zones & 4)
      strcat(msg, "11 ");
    if (zones & 8)
      strcat(msg, "12 ");
    if (zones & 16)
      strcat(msg, "13 ");
    if (zones & 32)
      strcat(msg, "14 ");
    if (zones & 64)
      strcat(msg, "15 ");
    if (zones & 128)
      strcat(msg, "16 ");
  } else if (cmd == 0x3e) {
    strcpy(msg, "p->k Zone4: ");
    zones = getBinaryData(word, 41, 8);
    if (zones & 1)
      strcat(msg, "9 ");
    if (zones & 2)
      strcat(msg, "10 ");
    if (zones & 4)
      strcat(msg, "11 ");
    if (zones & 8)
      strcat(msg, "12 ");
    if (zones & 16)
      strcat(msg, "13 ");
    if (zones & 32)
      strcat(msg, "14 ");
    if (zones & 64)
      strcat(msg, "15 ");
    if (zones & 128)
      strcat(msg, "16 ");
  } else if (cmd == 0x0a)
    strcpy(msg, "p->k panel in program mode");
  else if (cmd == 0x63)
    strcpy(msg, "p->k undefined command");
  else if (cmd == 0x64)
    strcpy(msg, "p->k undefined command");
  else if (cmd == 0x69)
    strcpy(msg, "p->k undefined command");
  else if (cmd == 0x5d)
    strcpy(msg, "p->k undefined command");
  else if (cmd == 0x39)
    strcpy(msg, "p->k undefined command");
  else if (cmd == 0x11)
    strcpy(msg, "p->k Keypad query");
  else if (cmd == 0xff) {
    strcpy(msg, "k->p ");
    if (getBinaryData(word, 8, 32) == 0xffffffff)
      strcat(msg, "idle");
    else {
      button = getBinaryData(word, 8, 20);
      if (button == 0x947ff)
        strcat(msg, "button * pressed");
      else if (button == 0x96fff)
        strcat(msg, "button # pressed");
      else if (button == 0x807ff)
        strcat(msg, "button 0 pressed");
      else if (button == 0x82fff)
        strcat(msg, "button 1 pressed");
      else if (button == 0x857ff)
        strcat(msg, "button 2 pressed");
      else if (button == 0x87fff)
        strcat(msg, "button 3 pressed");
      else if (button == 0x88fff)
        strcat(msg, "button 4 pressed");
      else if (button == 0x8b7ff)
        strcat(msg, "button 5 pressed");
      else if (button == 0x8dfff)
        strcat(msg, "button 6 pressed");
      else if (button == 0x8e7ff)
        strcat(msg, "button 7 pressed");
      else if (button == 0x917ff)
        strcat(msg, "button 8 pressed");
      else if (button == 0x93fff)
        strcat(msg, "button 9 pressed");
      else
        strcat(msg, "unknown keypad msg");
    }
  } else
    strcpy(msg, "p->k unknown command.");
  return cmd;
}
```