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

```asm
<AnalyzeUDPString>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%r13
  mov    %rsi,%rbx
  mov    %rdx,%r12
  mov    %rcx,%r15
  mov    %r8,%r14
  mov    %r9,0x8(%rsp)
  movl   $0x0,(%rsi)
  movb   $0x0,(%rcx)
  movb   $0x0,(%rdx)
  movb   $0x0,(%r8)
  mov    0x58(%rsp),%rax
  movl   $0x0,(%rax)
  mov    0x50(%rsp),%rax
  movl   $0x0,(%rax)
  movl   $0x0,(%r9)
  mov    0x60(%rsp),%rax
  movl   $0x5208,(%rax)
  mov    $0x7,%edx
  lea    D46(%rip),%rsi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L586
  mov    $0x7,%edx
  lea    D0(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L762
  mov    $0x7,%edx
  lea    D14(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L663
  mov    $0x6,%edx
  lea    D121(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L223
  mov    $0x6,%edx
  lea    D80(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L375
  mov    $0x6,%edx
  lea    D89(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L303
  mov    $0x3,%edx
  lea    D43(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L418
  mov    $0x3,%edx
  lea    D142(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L444
  mov    $0x3,%edx
  lea    D97(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L564
  mov    $0x3,%edx
  lea    D143(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L802
  mov    $0x3,%edx
  lea    D150(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L225
  mov    $0x3,%edx
  lea    D93(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L647
  mov    $0x4,%edx
  lea    D99(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L508
  mov    $0x4,%edx
  lea    D28(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L508
  mov    $0x4,%edx
  lea    D134(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L284
L508:
  movl   $0x3,(%rbx)
  cmpb   $0x20,0x4(%r13)
  jne    L546
  mov    $0x5,%eax
L852:
  mov    %eax,%edx
  lea    0x0(%r13,%rax,1),%rsi
  mov    %rax,%rcx
  add    $0x1,%rax
  cmpb   $0x20,-0x1(%r13,%rax,1)
  je     L852
L450:
  movslq %edx,%rax
  lea    0x0(%r13,%rax,1),%rdx
  movzbl (%rdx),%edi
  test   %dil,%dil
  je     L6
  cmp    $0x2c,%dil
  je     L6
  lea    0x1(%r13,%rax,1),%rax
L344:
  mov    %rax,%rdx
  movzbl (%rax),%edi
  add    $0x1,%rax
  test   %dil,%dil
  je     L6
  cmp    $0x2c,%dil
  jne    L344
L6:
  movb   $0x0,(%rdx)
  movzbl (%rsi),%eax
  and    $0xffffffdf,%eax
  mov    $0x0,%ebx
  cmp    $0x50,%al
  jne    L280
  lea    0x1(%r13,%rcx,1),%rdi
  mov    $0x0,%eax
  call   <atoi@plt>
  mov    0x60(%rsp),%rdi
  mov    %eax,(%rdi)
  jmp    L280
L546:
  lea    0x4(%r13),%rsi
  mov    $0x4,%edx
  mov    $0x4,%ecx
  jmp    L450
L785:
  movslq %ebp,%rax
  lea    0x0(%r13,%rax,1),%rdx
  movzbl (%rdx),%ebx
  test   %bl,%bl
  je     L851
  cmp    $0x2c,%bl
  je     L851
  lea    0x1(%r13,%rax,1),%rdx
  mov    %rdx,%rax
  add    $0x1,%ebp
  sub    %edx,%ebp
L730:
  lea    0x0(%rbp,%rax,1),%ecx
  mov    %rax,%rdx
  movzbl (%rax),%ebx
  add    $0x1,%rax
  test   %bl,%bl
  je     L724
  cmp    $0x2c,%bl
  jne    L730
L724:
  movsbl %bl,%ebx
  lea    0x1(%rcx),%r12d
  movb   $0x0,(%rdx)
  mov    %r14,%rdi
  call   <strcpy@plt>
L877:
  movabs $0x400000004000,%r14
  movabs $0x80000000800,%r15
  mov    %r12d,%edi
  mov    0x58(%rsp),%rbp
  test   %ebx,%ebx
  jne    L440
  jmp    L280
L851:
  mov    %ebp,%ecx
  jmp    L724
L103:
  mov    %rsi,%rdx
  jmp    L198
L315:
  sub    $0x31,%eax
  cmp    $0x34,%al
  ja     L182
  movzbl %al,%eax
  lea    D125(%rip),%rdi
  movslq (%rdi,%rax,4),%rax
  add    %rdi,%rax
  notrack jmp *%rax
  movl   $0x2,0x0(%rbp)
  jmp    L728
  movl   $0x3,0x0(%rbp)
  jmp    L728
  movl   $0x4,0x0(%rbp)
  jmp    L728
  movl   $0x5,0x0(%rbp)
  jmp    L728
  movl   $0x6,0x0(%rbp)
  jmp    L728
  movl   $0x7,0x0(%rbp)
  jmp    L728
  movl   $0x8,0x0(%rbp)
  jmp    L728
  movl   $0x9,0x0(%rbp)
  jmp    L728
  movl   $0xa,0x0(%rbp)
  jmp    L728
  movl   $0xb,0x0(%rbp)
  jmp    L728
L769:
  sub    $0x42,%ecx
  cmp    $0x2e,%cl
  ja     L720
  mov    $0x1,%eax
  shl    %cl,%rax
  test   %r14,%rax
  jne    L383
  test   %r15,%rax
  jne    L15
  movabs $0x100000001,%rsi
  test   %rsi,%rax
  jne    L859
  mov    $0x25,%ebx
L280:
  mov    %ebx,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L859:
  add    $0x1,%edi
  movslq %edi,%rdi
  add    %r13,%rdi
  mov    $0x0,%eax
  call   <atoi@plt>
  mov    0x50(%rsp),%rdi
  mov    %eax,(%rdi)
  cmp    $0xff,%eax
  jle    L728
  mov    $0x25,%ebx
  jmp    L280
L15:
  add    $0x1,%edi
  movslq %edi,%rdi
  add    %r13,%rdi
  mov    $0x0,%eax
  call   <atoi@plt>
  mov    0x8(%rsp),%rdi
  mov    %eax,(%rdi)
L728:
  test   %bl,%bl
  je     L230
  mov    %r12d,%edi
L440:
  movslq %edi,%rax
  lea    0x0(%r13,%rax,1),%r8
  movzbl (%r8),%ebx
  test   $0xdf,%bl
  je     L420
  lea    0x1(%r13,%rax,1),%rdx
  mov    %rdx,%rax
  lea    0x1(%rdi),%ecx
  sub    %edx,%ecx
  cmp    $0x2c,%bl
  je     L420
L401:
  lea    (%rcx,%rax,1),%edx
  mov    %rax,%rsi
  movzbl (%rax),%ebx
  add    $0x1,%rax
  test   $0xdf,%bl
  je     L426
  cmp    $0x2c,%bl
  jne    L401
L426:
  lea    0x1(%rdx),%r12d
  movb   $0x0,(%rsi)
  movzbl (%r8),%ecx
  mov    %ecx,%eax
  and    $0xffffffdf,%eax
  cmp    $0x4c,%al
  jne    L769
  add    $0x1,%edi
  movslq %edi,%rdi
  movzbl 0x0(%r13,%rdi,1),%eax
  mov    %eax,%edx
  and    $0xffffffdf,%edx
  cmp    $0x49,%dl
  jne    L315
  movl   $0x1,0x0(%rbp)
  jmp    L728
L383:
  add    $0x1,%edi
  movslq %edi,%rdi
  add    %r13,%rdi
  mov    $0x0,%eax
  call   <atoi@plt>
  mov    0x60(%rsp),%rdi
  mov    %eax,(%rdi)
  jmp    L728
L420:
  mov    %edi,%edx
  mov    %r8,%rsi
  jmp    L426
L284:
  mov    $0x25,%ebx
  jmp    L280
L182:
  mov    $0x25,%ebx
  jmp    L280
L720:
  mov    $0x25,%ebx
  jmp    L280
L230:
  mov    $0x0,%ebx
  jmp    L280
L418:
  mov    $0x1,%eax
L669:
  mov    %eax,(%rbx)
  lea    0x3(%r13),%rsi
  mov    $0x3,%ebp
  cmpb   $0x20,0x3(%r13)
  je     L750
  jmp    L348
L444:
  mov    $0x1,%eax
  jmp    L669
L564:
  mov    $0x1,%eax
  jmp    L669
L802:
  mov    $0x2,%eax
  jmp    L669
L225:
  mov    $0x2,%eax
  jmp    L669
L647:
  mov    $0x2,%eax
  jmp    L669
L586:
  mov    $0x5,%eax
  mov    $0x7,%ebp
L579:
  mov    %eax,(%rbx)
  movslq %ebp,%rsi
  add    %r13,%rsi
  cmpb   $0x20,(%rsi)
  jne    L785
L750:
  lea    0x1(%rbp),%ecx
  movslq %ecx,%rcx
  add    %r13,%rcx
  mov    %rcx,%rax
  lea    0x1(%rbp),%edx
  sub    %ecx,%edx
L283:
  lea    (%rdx,%rax,1),%ebp
  mov    %rax,%rsi
  add    $0x1,%rax
  cmpb   $0x20,-0x1(%rax)
  je     L283
  mov    (%rbx),%eax
  sub    $0x4,%eax
  cmp    $0x1,%eax
  jbe    L785
L348:
  movslq %ebp,%rax
  lea    0x0(%r13,%rax,1),%rdi
  movzbl (%rdi),%edx
  test   %dl,%dl
  je     L858
  lea    0x1(%r13,%rax,1),%r8
  mov    %r8,%rax
  lea    0x1(%rbp),%ecx
  sub    %r8d,%ecx
  cmp    $0x2c,%dl
  je     L858
L825:
  lea    (%rcx,%rax,1),%ebp
  mov    %rax,%rdi
  movzbl (%rax),%edx
  add    $0x1,%rax
  test   %dl,%dl
  je     L858
  cmp    $0x2c,%dl
  jne    L825
L858:
  mov    $0x25,%ebx
  test   %dl,%dl
  je     L280
  lea    0x1(%rbp),%r14d
  movb   $0x0,(%rdi)
  mov    $0x50,%edx
  mov    %r12,%rdi
  call   <strncpy@plt>
  movslq %r14d,%rsi
  add    %r13,%rsi
  movzbl (%rsi),%ebx
  test   %bl,%bl
  je     L103
  cmp    $0x2c,%bl
  je     L103
  lea    0x2(%rbp),%eax
  cltq
L95:
  mov    %eax,%r14d
  lea    0x0(%r13,%rax,1),%rdx
  movzbl 0x0(%r13,%rax,1),%ebx
  add    $0x1,%rax
  test   %bl,%bl
  je     L198
  cmp    $0x2c,%bl
  jne    L95
L198:
  movsbl %bl,%ebx
  lea    0x1(%r14),%r12d
  movb   $0x0,(%rdx)
  mov    $0x14,%edx
  mov    %r15,%rdi
  call   <strncpy@plt>
  jmp    L877
L762:
  mov    $0x5,%eax
  mov    $0x7,%ebp
  jmp    L579
L663:
  mov    $0x5,%eax
  mov    $0x7,%ebp
  jmp    L579
L223:
  mov    $0x4,%eax
  mov    $0x6,%ebp
  jmp    L579
L375:
  mov    $0x4,%eax
  mov    $0x6,%ebp
  jmp    L579
L303:
  mov    $0x4,%eax
  mov    $0x6,%ebp
  jmp    L579
```

tool_calls: name: unpack_data
arguments: tag: D46
type_guessed: string
name: unpack_data
arguments: tag: D0
type_guessed: string
name: unpack_data
arguments: tag: D14
type_guessed: string
name: unpack_data
arguments: tag: D121
type_guessed: string
name: unpack_data
arguments: tag: D80
type_guessed: string
name: unpack_data
arguments: tag: D89
type_guessed: string
name: unpack_data
arguments: tag: D43
type_guessed: string
name: unpack_data
arguments: tag: D142
type_guessed: string
name: unpack_data
arguments: tag: D97
type_guessed: string
name: unpack_data
arguments: tag: D143
type_guessed: string
name: unpack_data
arguments: tag: D150
type_guessed: string
name: unpack_data
arguments: tag: D93
type_guessed: string
name: unpack_data
arguments: tag: D99
type_guessed: string
name: unpack_data
arguments: tag: D28
type_guessed: string
name: unpack_data
arguments: tag: D134
type_guessed: string

tool: D46: sndccfr

tool: D0: Sndccfr

tool: D14: SNDCCFR

tool: D121: sndccf

tool: D80: Sndccf

tool: D89: SNDCCF

tool: D43: snd

tool: D142: Snd

tool: D97: SND

tool: D143: lrn

tool: D150: Lrn

tool: D93: LRN

tool: D99: ping

tool: D28: Ping

tool: D134: PING

assistant: ```c
int AnalyzeUDPString(char *st, int *netcom, char *remote, char *command, char *ccf, int *netmask, int *bus, int *led, int *port) {
  int i, p, v;
  *netcom = 0;
  ccf[0] = remote[0] = command[0] = 0;
  *bus = *led = 0;
  *netmask = 0;
  *port = 21000;
  i = 3;
  if (!strncmp(st, "sndccfr", 7) || !strncmp(st, "Sndccfr", 7) || !strncmp(st, "SNDCCFR", 7)) {
    i = 7;
    *netcom = 5;
  } else if (!strncmp(st, "sndccf", 6) || !strncmp(st, "Sndccf", 6) || !strncmp(st, "SNDCCF", 6)) {
    i = 6;
    *netcom = 4;
  } else if (!strncmp(st, "snd", 3) || !strncmp(st, "Snd", 3) || !strncmp(st, "SND", 3))
    *netcom = 1;
  else if (!strncmp(st, "lrn", 3) || !strncmp(st, "Lrn", 3) || !strncmp(st, "LRN", 3))
    *netcom = 2;
  else if (!strncmp(st, "ping", 4) || !strncmp(st, "Ping", 4) || !strncmp(st, "PING", 4)) {
    *netcom = 3;
    i = 4;
    while (st[i] == ' ')
      i++;
    p = i;
    while (st[i] && st[i] != ',')
      i++;
    st[i++] = 0;
    if (st[p] == 'p' || st[p] == 'P')
      *port = atoi(st + p + 1);
    return (0);
  } else
    return 37;
  while (st[i] == ' ')
    i++;
  if (*netcom == 4 || *netcom == 5) {
    p = i;
    while (st[i] && st[i] != ',')
      i++;
    v = st[i];
    st[i++] = 0;
    strcpy(ccf, st + p);
  } else {
    p = i;
    while (st[i] && st[i] != ',')
      i++;
    if (!st[i])
      return 37;
    st[i++] = 0;
    strncpy(remote, st + p, 80);
    p = i;
    while (st[i] && st[i] != ',')
      i++;
    v = st[i];
    st[i++] = 0;
    strncpy(command, st + p, 20);
  }
  while (v) {
    p = i;
    while (st[i] && st[i] != ',' && st[i] != ' ')
      i++;
    v = st[i];
    st[i++] = 0;
    if (st[p] == 'l' || st[p] == 'L') {
      p++;
      if (st[p] == 'i' || st[p] == 'I')
        *led = 1;
      else if (st[p] == 'e' || st[p] == 'E')
        *led = 2;
      else if (st[p] == 'b' || st[p] == 'B')
        *led = 3;
      else if (st[p] == '1')
        *led = 4;
      else if (st[p] == '2')
        *led = 5;
      else if (st[p] == '3')
        *led = 6;
      else if (st[p] == '4')
        *led = 7;
      else if (st[p] == '5')
        *led = 8;
      else if (st[p] == '6')
        *led = 9;
      else if (st[p] == '7')
        *led = 10;
      else if (st[p] == '8')
        *led = 11;
      else
        return 37;
    } else if (st[p] == 'b' || st[p] == 'B') {
      p++;
      *bus = atoi(st + p);
      if (*bus > 255)
        return 37;
    } else if (st[p] == 'm' || st[p] == 'M') {
      p++;
      *netmask = atoi(st + p);
    } else if (st[p] == 'p' || st[p] == 'P') {
      p++;
      *port = atoi(st + p);
    } else
      return 37;
  }
  return (0);
}
```