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

```asm
<CheckUserinfo>:
  endbr64
  push   %r12
  mov    %rsi,%rdi
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  call   <strlen@plt>
  lea    D160(%rip),%r8
  test   %eax,%eax
  jle    L144
  mov    %rax,%rbx
  lea    D166(%rip),%r8
  cmp    $0x3d4,%eax
  jg     L144
  movzbl 0x0(%rbp),%eax
  lea    D149(%rip),%r8
  cmp    $0x5c,%al
  jne    L144
  movslq %ebx,%rdx
  lea    D71(%rip),%r8
  cmpb   $0x5c,-0x1(%rbp,%rdx,1)
  je     L144
  lea    0x1(%rbp),%rdx
  xor    %ecx,%ecx
  nopl   (%rax)
L396:
  cmp    $0x5c,%al
  sete   %al
  add    $0x1,%rdx
  movzbl %al,%eax
  add    %eax,%ecx
  movzbl -0x1(%rdx),%eax
  test   %al,%al
  jne    L396
  and    $0x1,%ecx
  lea    D94(%rip),%r8
  jne    L144
  lea    D75(%rip),%r8
  cmp    $0x4,%ebx
  jle    L144
  movzbl 0x3(%rbp),%edx
  test   %dl,%dl
  je     L144
  mov    %rbp,%r12
  mov    %rbp,%rax
  xor    %ecx,%ecx
  jmp    L138
  nopl   0x0(%rax,%rax,1)
L309:
  movzbl 0x4(%rax),%edx
  add    $0x1,%rax
  test   %dl,%dl
  je     L90
L138:
  cmpb   $0x5c,(%rax)
  jne    L309
  cmpb   $0x69,0x1(%rax)
  jne    L309
  cmpb   $0x70,0x2(%rax)
  jne    L309
  cmp    $0x5c,%dl
  sete   %dl
  cmp    $0x1,%dl
  sbb    $0xffffffff,%ecx
  jmp    L309
  nopl   0x0(%rax,%rax,1)
L90:
  lea    D75(%rip),%r8
  test   %ecx,%ecx
  je     L144
  lea    D85(%rip),%r8
  cmp    $0x1,%ecx
  je     L302
L144:
  pop    %rbx
  mov    %r8,%rax
  pop    %rbp
  pop    %r12
  ret
  nop
L302:
  lea    D129(%rip),%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <Info_ValueForKey@plt>
  mov    %eax,%edi
  xor    %eax,%eax
  call   <GetParsedIP@plt>
  lea    D159(%rip),%r8
  test   %eax,%eax
  je     L144
  cmp    $0x9,%ebx
  jle    L595
  movzbl 0x8(%rbp),%edx
  test   %dl,%dl
  je     L44
  mov    %rbp,%rax
  xor    %ecx,%ecx
  jmp    L473
  nopl   0x0(%rax)
L378:
  movzbl 0x9(%rax),%edx
  add    $0x1,%rax
  test   %dl,%dl
  je     L210
L473:
  cmpb   $0x5c,(%rax)
  jne    L378
  cmpb   $0x63,0x1(%rax)
  jne    L378
  cmpb   $0x6c,0x2(%rax)
  jne    L378
  cmpb   $0x5f,0x3(%rax)
  jne    L378
  cmpb   $0x67,0x4(%rax)
  jne    L378
  cmpb   $0x75,0x5(%rax)
  jne    L378
  cmpb   $0x69,0x6(%rax)
  jne    L378
  cmpb   $0x64,0x7(%rax)
  jne    L378
  cmp    $0x5c,%dl
  sete   %dl
  cmp    $0x1,%dl
  sbb    $0xffffffff,%ecx
  jmp    L378
  nopl   (%rax)
L595:
  lea    D154(%rip),%r8
  cmp    $0x6,%ebx
  jle    L144
L44:
  movzbl 0x5(%rbp),%edx
  lea    D154(%rip),%r8
  test   %dl,%dl
  je     L144
  mov    %rbp,%rax
  xor    %ecx,%ecx
  jmp    L510
  nopw   0x0(%rax,%rax,1)
L341:
  movzbl 0x6(%rax),%edx
  add    $0x1,%rax
  test   %dl,%dl
  je     L418
L510:
  cmpb   $0x5c,(%rax)
  jne    L341
  cmpb   $0x6e,0x1(%rax)
  jne    L341
  cmpb   $0x61,0x2(%rax)
  jne    L341
  cmpb   $0x6d,0x3(%rax)
  jne    L341
  cmpb   $0x65,0x4(%rax)
  jne    L341
  cmp    $0x5c,%dl
  sete   %dl
  cmp    $0x1,%dl
  sbb    $0xffffffff,%ecx
  jmp    L341
  nopw   0x0(%rax,%rax,1)
L418:
  lea    D154(%rip),%r8
  test   %ecx,%ecx
  je     L144
  lea    D84(%rip),%r8
  cmp    $0x1,%ecx
  jne    L144
  cmp    $0xf,%ebx
  jle    L13
  movzbl 0xe(%rbp),%eax
  test   %al,%al
  je     L13
  xor    %edx,%edx
  jmp    L632
L46:
  movzbl 0xf(%r12),%eax
  add    $0x1,%r12
  test   %al,%al
  je     L87
L632:
  cmpb   $0x5c,(%r12)
  jne    L46
  cmpb   $0x63,0x1(%r12)
  jne    L46
  cmpb   $0x6c,0x2(%r12)
  jne    L46
  cmpb   $0x5f,0x3(%r12)
  jne    L46
  cmpb   $0x70,0x4(%r12)
  jne    L46
  cmpb   $0x75,0x5(%r12)
  jne    L46
  cmpb   $0x6e,0x6(%r12)
  jne    L46
  cmpb   $0x6b,0x7(%r12)
  jne    L46
  cmpb   $0x62,0x8(%r12)
  jne    L46
  cmpb   $0x75,0x9(%r12)
  jne    L46
  cmpb   $0x73,0xa(%r12)
  jne    L46
  cmpb   $0x74,0xb(%r12)
  jne    L46
  cmpb   $0x65,0xc(%r12)
  jne    L46
  cmpb   $0x72,0xd(%r12)
  jne    L46
  cmp    $0x5c,%al
  sete   %al
  cmp    $0x1,%al
  sbb    $0xffffffff,%edx
  jmp    L46
  nopl   0x0(%rax)
L210:
  lea    D22(%rip),%r8
  cmp    $0x1,%ecx
  jle    L44
  jmp    L144
L87:
  lea    D146(%rip),%r8
  cmp    $0x1,%edx
  jg     L144
L13:
  lea    D67(%rip),%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <Info_ValueForKey@plt>
  lea    D6(%rip),%r8
  test   %eax,%eax
  je     L144
  cltq
  cmpb   $0x0,(%rax)
  mov    $0x0,%eax
  cmovne %rax,%r8
  jmp    L144
```

tool_calls: name: disassemble_data
arguments: tag: D160
type_infered: string
name: disassemble_data
arguments: tag: D166
type_infered: string
name: disassemble_data
arguments: tag: D149
type_infered: string
name: disassemble_data
arguments: tag: D71
type_infered: string
name: disassemble_data
arguments: tag: D94
type_infered: string
name: disassemble_data
arguments: tag: D75
type_infered: string
name: disassemble_data
arguments: tag: D85
type_infered: string
name: disassemble_data
arguments: tag: D129
type_infered: string
name: disassemble_data
arguments: tag: D159
type_infered: string
name: disassemble_data
arguments: tag: D154
type_infered: string
name: disassemble_data
arguments: tag: D84
type_infered: string
name: disassemble_data
arguments: tag: D22
type_infered: string
name: disassemble_data
arguments: tag: D146
type_infered: string
name: disassemble_data
arguments: tag: D67
type_infered: string
name: disassemble_data
arguments: tag: D6
type_infered: string

tool: D160: Userinfo too short

tool: D166: Userinfo too long.

tool: D149: Missing leading slash in userinfo.

tool: D71: Trailing slash in userinfo.

tool: D94: Bad number of slashes in userinfo.

tool: D75: Missing IP in userinfo.

tool: D85: Too many IP fields in userinfo.

tool: D129: ip

tool: D159: Malformed IP in userinfo.

tool: D154: Missing name field in userinfo.

tool: D84: Too many name fields in userinfo.

tool: D22: Too many cl_guid fields in userinfo.

tool: D146: Too many cl_punkbuster fields in userinfo.

tool: D67: rate

tool: D6: Wrong rate field in userinfo.

assistant: ```c
char *CheckUserinfo(int clientNum, char *userinfo) {
  char *value;
  int length = strlen(userinfo);
  int i, slashCount = 0, count = 0;
  if (length < 1) {
    return "Userinfo too short";
  }
  if (length > 1024 - 44) {
    return "Userinfo too long.";
  }
  if (userinfo[0] != '\\') {
    return "Missing leading slash in userinfo.";
  }
  if (userinfo[length - 1] == '\\') {
    return "Trailing slash in userinfo.";
  }
  for (i = 0; userinfo[i]; ++i) {
    if (userinfo[i] == '\\') {
      slashCount++;
    }
  }
  if (slashCount % 2 != 0) {
    return "Bad number of slashes in userinfo.";
  }
  if (length > 4) {
    for (i = 0; userinfo[i + 3]; ++i) {
      if (userinfo[i] == '\\' && userinfo[i + 1] == 'i' && userinfo[i + 2] == 'p' && userinfo[i + 3] == '\\') {
        count++;
      }
    }
  }
  if (count == 0) {
    return "Missing IP in userinfo.";
  } else if (count > 1) {
    return "Too many IP fields in userinfo.";
  } else {
    if (GetParsedIP(Info_ValueForKey(userinfo, "ip")) == ((void *)0)) {
      return "Malformed IP in userinfo.";
    }
  }
  count = 0;
  if (length > 9) {
    for (i = 0; userinfo[i + 8]; ++i) {
      if (userinfo[i] == '\\' && userinfo[i + 1] == 'c' && userinfo[i + 2] == 'l' && userinfo[i + 3] == '_' && userinfo[i + 4] == 'g' && userinfo[i + 5] == 'u' && userinfo[i + 6] == 'i' && userinfo[i + 7] == 'd' && userinfo[i + 8] == '\\') {
        count++;
      }
    }
  }
  if (count > 1) {
    return "Too many cl_guid fields in userinfo.";
  }
  count = 0;
  if (length > 6) {
    for (i = 0; userinfo[i + 5]; ++i) {
      if (userinfo[i] == '\\' && userinfo[i + 1] == 'n' && userinfo[i + 2] == 'a' && userinfo[i + 3] == 'm' && userinfo[i + 4] == 'e' && userinfo[i + 5] == '\\') {
        count++;
      }
    }
  }
  if (count == 0) {
    return "Missing name field in userinfo.";
  } else if (count > 1) {
    return "Too many name fields in userinfo.";
  }
  count = 0;
  if (length > 15) {
    for (i = 0; userinfo[i + 14]; ++i) {
      if (userinfo[i] == '\\' && userinfo[i + 1] == 'c' && userinfo[i + 2] == 'l' && userinfo[i + 3] == '_' && userinfo[i + 4] == 'p' && userinfo[i + 5] == 'u' && userinfo[i + 6] == 'n' && userinfo[i + 7] == 'k' && userinfo[i + 8] == 'b' && userinfo[i + 9] == 'u' && userinfo[i + 10] == 's' && userinfo[i + 11] == 't' && userinfo[i + 12] == 'e' && userinfo[i + 13] == 'r' && userinfo[i + 14] == '\\') {
        count++;
      }
    }
  }
  if (count > 1) {
    return "Too many cl_punkbuster fields in userinfo.";
  }
  value = Info_ValueForKey(userinfo, "rate");
  if (value == ((void *)0) || value[0] == '\0') {
    return "Wrong rate field in userinfo.";
  }
  return 0;
}
```