user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<AnalyzeUDPString>:
  endbr64
  push   %r15
  mov    %rdi,%r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %r8,%r12
  push   %rbp
  mov    %r9,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x18,%rsp
  movl   $0x0,(%rsi)
  lea    D81(%rip),%rsi
  mov    0x58(%rsp),%rax
  movb   $0x0,(%rcx)
  movb   $0x0,(%rdx)
  mov    $0x7,%edx
  movb   $0x0,(%r8)
  movl   $0x0,(%rax)
  mov    0x50(%rsp),%rax
  movl   $0x0,(%rax)
  mov    0x60(%rsp),%rax
  movl   $0x0,(%r9)
  movl   $0x5208,(%rax)
  call   <strncmp@plt>
  test   %eax,%eax
  je     L352
  mov    $0x7,%edx
  lea    D66(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L598
L352:
  mov    $0x5,%eax
  mov    $0x1,%r9d
  mov    $0x8,%r8d
  mov    $0x7,%esi
  mov    $0x7,%edi
L678:
  add    %r15,%rsi
  mov    %eax,(%rbx)
  mov    %edi,%ecx
  movzbl (%rsi),%eax
  cmp    $0x20,%al
  jne    L307
L538:
  add    $0x1,%edi
  movslq %edi,%rdx
  add    %r15,%rdx
  sub    %edx,%edi
  nopl   (%rax)
L122:
  lea    (%rdi,%rdx,1),%ecx
  mov    %rdx,%rsi
  movzbl (%rdx),%eax
  lea    0x1(%rdx),%rdx
  cmp    $0x20,%al
  je     L122
  cmp    $0x1,%r9d
  jbe    L172
L624:
  cmp    $0x2c,%al
  je     L762
  test   %al,%al
  je     L762
  movslq %ecx,%rax
  add    $0x1,%ecx
  lea    0x1(%r15,%rax,1),%rdx
  sub    %edx,%ecx
  jmp    L622
  nopw   0x0(%rax,%rax,1)
L612:
  cmp    $0x2c,%al
  je     L686
L622:
  movzbl (%rdx),%eax
  lea    (%rcx,%rdx,1),%r12d
  mov    %rdx,%rdi
  add    $0x1,%rdx
  test   %al,%al
  jne    L612
L264:
  add    $0x18,%rsp
  mov    $0x25,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L598:
  mov    $0x7,%edx
  lea    D33(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L352
  mov    $0x6,%edx
  lea    D107(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L220
  mov    $0x6,%edx
  lea    D70(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L220
  mov    $0x6,%edx
  lea    D98(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L220
  movzbl (%r15),%edx
  cmp    $0x73,%edx
  jne    L180
  cmpb   $0x6e,0x1(%r15)
  jne    L180
  cmpb   $0x64,0x2(%r15)
  mov    $0x1,%eax
  mov    $0xfffffffd,%r9d
  jne    L180
L7:
  mov    %eax,(%rbx)
  movzbl 0x3(%r15),%eax
  lea    0x3(%r15),%rsi
  mov    $0x3,%edi
  mov    $0x3,%ecx
  cmp    $0x20,%al
  je     L538
  jmp    L624
  cs nopw 0x0(%rax,%rax,1)
L172:
  lea    0x1(%rcx),%r8d
L307:
  cmp    $0x2c,%al
  je     L90
  test   %al,%al
  je     L90
  movslq %ecx,%rax
  add    $0x1,%ecx
  lea    0x1(%r15,%rax,1),%rdx
  sub    %edx,%ecx
  jmp    L545
  nopl   0x0(%rax,%rax,1)
L890:
  cmp    $0x2c,%al
  je     L355
L545:
  movzbl (%rdx),%eax
  lea    (%rcx,%rdx,1),%r8d
  mov    %rdx,%rdi
  add    $0x1,%rdx
  test   %al,%al
  jne    L890
L355:
  add    $0x1,%r8d
L126:
  movb   $0x0,(%rdi)
  mov    %r12,%rdi
  movsbl %al,%ebx
  mov    %r8d,0xc(%rsp)
  call   <strcpy@plt>
  mov    0xc(%rsp),%r8d
L919:
  movabs $0x400000004000,%r12
  lea    0x1(%r15),%r14
  test   %ebx,%ebx
  je     L125
  movslq %r8d,%rsi
  lea    (%r15,%rsi,1),%r9
  movzbl (%r9),%ebx
  cmp    $0x2c,%bl
  je     L25
  nopl   0x0(%rax)
L605:
  test   %bl,%bl
  je     L25
  lea    0x1(%r15,%rsi,1),%rdx
  add    %r14,%rsi
  mov    %r8d,%eax
  mov    %r9,%rcx
  sub    %r9,%rsi
  jmp    L415
  nopl   0x0(%rax,%rax,1)
L99:
  movzbl (%rdx),%ebx
  add    %rsi,%rcx
  add    $0x1,%rdx
  test   %bl,%bl
  je     L557
  cmp    $0x2c,%bl
  je     L557
L415:
  mov    %eax,%edi
  add    $0x1,%eax
  cmp    $0x20,%bl
  jne    L99
L599:
  movb   $0x0,(%rcx)
  movzbl (%r9),%ecx
  lea    0x1(%rdi),%r13d
  mov    %ecx,%eax
  and    $0xffffffdf,%eax
  cmp    $0x4c,%al
  jne    L397
  add    $0x1,%r8d
  movslq %r8d,%r8
  movzbl (%r15,%r8,1),%eax
  mov    %eax,%ecx
  and    $0xffffffdf,%ecx
  cmp    $0x49,%cl
  jne    L74
  mov    0x58(%rsp),%rax
  movl   $0x1,(%rax)
L399:
  test   %bl,%bl
  je     L125
L551:
  mov    %r13d,%r8d
  movslq %r8d,%rsi
  lea    (%r15,%rsi,1),%r9
  movzbl (%r9),%ebx
  cmp    $0x2c,%bl
  jne    L605
L25:
  mov    %r8d,%edi
  mov    %r9,%rcx
  jmp    L599
  nopl   (%rax)
L397:
  sub    $0x42,%ecx
  cmp    $0x2e,%cl
  ja     L264
  mov    $0x1,%eax
  shl    %cl,%rax
  test   %r12,%rax
  jne    L44
  movabs $0x80000000800,%rdi
  test   %rdi,%rax
  jne    L229
  movabs $0x100000001,%rcx
  test   %rcx,%rax
  je     L264
  lea    0x1(%r8),%edi
  xor    %eax,%eax
  movslq %edi,%rdi
  add    %r15,%rdi
  call   <atoi@plt>
  mov    0x50(%rsp),%rdi
  mov    %eax,(%rdi)
  cmp    $0xff,%eax
  jg     L264
  test   %bl,%bl
  jne    L551
L125:
  xor    %eax,%eax
L757:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nop
L557:
  mov    %eax,%edi
  jmp    L599
  nopw   0x0(%rax,%rax,1)
L74:
  sub    $0x31,%eax
  cmp    $0x34,%al
  ja     L264
  lea    D83(%rip),%rcx
  movzbl %al,%eax
  movslq (%rcx,%rax,4),%rax
  add    %rcx,%rax
  notrack jmp *%rax
L229:
  lea    0x1(%r8),%edi
  xor    %eax,%eax
  movslq %edi,%rdi
  add    %r15,%rdi
  call   <atoi@plt>
  mov    %eax,0x0(%rbp)
  jmp    L399
L44:
  lea    0x1(%r8),%edi
  xor    %eax,%eax
  movslq %edi,%rdi
  add    %r15,%rdi
  call   <atoi@plt>
  mov    0x60(%rsp),%rdi
  mov    %eax,(%rdi)
  jmp    L399
L762:
  mov    %ecx,%r12d
  mov    %rsi,%rdi
L686:
  test   %al,%al
  je     L264
  movb   $0x0,(%rdi)
  lea    0x1(%r12),%r8d
  mov    $0x50,%edx
  mov    %r13,%rdi
  mov    %r8d,0xc(%rsp)
  call   <strncpy@plt>
  movslq 0xc(%rsp),%rsi
  mov    %rsi,%r8
  add    %r15,%rsi
  movzbl (%rsi),%eax
  test   %al,%al
  je     L409
  cmp    $0x2c,%al
  je     L409
  lea    0x2(%r12),%edx
  movslq %edx,%rdx
  jmp    L86
  nopl   (%rax)
L798:
  cmp    $0x2c,%al
  je     L558
L86:
  movzbl (%r15,%rdx,1),%eax
  mov    %edx,%r8d
  lea    (%r15,%rdx,1),%rcx
  add    $0x1,%rdx
  test   %al,%al
  jne    L798
L558:
  movb   $0x0,(%rcx)
  add    $0x1,%r8d
  mov    $0x14,%edx
  mov    %r14,%rdi
  mov    %r8d,0xc(%rsp)
  movsbl %al,%ebx
  call   <strncpy@plt>
  mov    0xc(%rsp),%r8d
  jmp    L919
  mov    0x58(%rsp),%rax
  movl   $0x2,(%rax)
  jmp    L399
  mov    0x58(%rsp),%rax
  movl   $0x3,(%rax)
  jmp    L399
L220:
  mov    $0x4,%eax
  xor    %r9d,%r9d
  mov    $0x7,%r8d
  mov    $0x6,%esi
  mov    $0x6,%edi
  jmp    L678
  mov    0x58(%rsp),%rax
  movl   $0xb,(%rax)
  jmp    L399
  mov    0x58(%rsp),%rax
  movl   $0xa,(%rax)
  jmp    L399
  mov    0x58(%rsp),%rax
  movl   $0x9,(%rax)
  jmp    L399
  mov    0x58(%rsp),%rax
  movl   $0x8,(%rax)
  jmp    L399
  mov    0x58(%rsp),%rax
  movl   $0x7,(%rax)
  jmp    L399
  mov    0x58(%rsp),%rax
  movl   $0x6,(%rax)
  jmp    L399
  mov    0x58(%rsp),%rax
  movl   $0x5,(%rax)
  jmp    L399
  mov    0x58(%rsp),%rax
  movl   $0x4,(%rax)
  jmp    L399
L90:
  mov    %rsi,%rdi
  jmp    L126
L409:
  mov    %rsi,%rcx
  jmp    L558
L180:
  cmp    $0x53,%edx
  je     L238
L658:
  cmp    $0x6c,%edx
  jne    L276
  cmpb   $0x72,0x1(%r15)
  jne    L276
  cmpb   $0x6e,0x2(%r15)
  mov    $0x2,%eax
  mov    $0xfffffffe,%r9d
  je     L7
L276:
  mov    $0x3,%edx
  lea    D59(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L321
  mov    $0x3,%edx
  lea    D8(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L321
  mov    $0x4,%edx
  lea    D14(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L360
  mov    $0x4,%edx
  lea    D65(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L360
  mov    $0x4,%edx
  lea    D6(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L264
L360:
  movl   $0x3,(%rbx)
  cmpb   $0x20,0x4(%r15)
  jne    L561
  mov    $0x5,%eax
L325:
  mov    %eax,%edx
  lea    (%r15,%rax,1),%rsi
  mov    %rax,%rcx
  add    $0x1,%rax
  cmpb   $0x20,-0x1(%r15,%rax,1)
  je     L325
L637:
  movslq %edx,%rax
  lea    (%r15,%rax,1),%rdx
  movzbl (%rdx),%edi
  cmp    $0x2c,%dil
  je     L611
  test   %dil,%dil
  je     L611
  lea    0x1(%r15,%rax,1),%rax
  jmp    L606
L566:
  cmp    $0x2c,%dil
  je     L611
L606:
  movzbl (%rax),%edi
  mov    %rax,%rdx
  add    $0x1,%rax
  test   %dil,%dil
  jne    L566
L611:
  movb   $0x0,(%rdx)
  movzbl (%rsi),%eax
  and    $0xffffffdf,%eax
  cmp    $0x50,%al
  jne    L125
  lea    0x1(%r15,%rcx,1),%rdi
  xor    %eax,%eax
  call   <atoi@plt>
  mov    0x60(%rsp),%rdi
  mov    %eax,(%rdi)
  xor    %eax,%eax
  jmp    L757
  nopl   0x0(%rax)
L238:
  cmpb   $0x6e,0x1(%r15)
  je     L161
L923:
  cmp    $0x53,%edx
  jne    L658
  cmpb   $0x4e,0x1(%r15)
  jne    L658
  cmpb   $0x44,0x2(%r15)
  mov    $0x1,%eax
  mov    $0xfffffffd,%r9d
  je     L7
  jmp    L658
L321:
  mov    $0x2,%eax
  mov    $0xfffffffe,%r9d
  jmp    L7
L161:
  cmpb   $0x64,0x2(%r15)
  mov    $0x1,%eax
  mov    $0xfffffffd,%r9d
  je     L7
  jmp    L923
L561:
  lea    0x4(%r15),%rsi
  mov    $0x4,%edx
  mov    $0x4,%ecx
  jmp    L637
```

tool_calls: name: read_data
arguments: data_tag: D81
type: string
name: read_data
arguments: data_tag: D66
type: string
name: read_data
arguments: data_tag: D33
type: string
name: read_data
arguments: data_tag: D107
type: string
name: read_data
arguments: data_tag: D70
type: string
name: read_data
arguments: data_tag: D98
type: string
name: read_data
arguments: data_tag: D59
type: string
name: read_data
arguments: data_tag: D8
type: string
name: read_data
arguments: data_tag: D14
type: string
name: read_data
arguments: data_tag: D65
type: string
name: read_data
arguments: data_tag: D6
type: string

tool: D81: sndccfr

tool: D66: Sndccfr

tool: D33: SNDCCFR

tool: D107: sndccf

tool: D70: Sndccf

tool: D98: SNDCCF

tool: D59: Lrn

tool: D8: LRN

tool: D14: ping

tool: D65: Ping

tool: D6: 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);
}
```