user: 请将以下的汇编代码转换成C语言代码:

```asm
<test1>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  movsbl (%rdi),%edi
  mov    %edi,%ebx
  call   <isalpha@plt>
  cmp    $0x5f,%bl
  je     L203
  test   %eax,%eax
  jne    L203
L126:
  xor    %r13d,%r13d
L261:
  add    $0x18,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L203:
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    %r12,%rsi
  lea    -0x1(%r12,%rax,1),%rdi
  xor    %eax,%eax
  call   <ppdirbackward@plt>
  mov    $0xffffffff,%esi
  mov    %eax,%edi
  xor    %eax,%eax
  call   <skipspace@plt>
  cltq
  movzbl (%rax),%eax
  cmp    $0x3b,%al
  je     L206
  jg     L74
  xor    %r13d,%r13d
  cmp    $0x29,%al
  sete   %r13b
  lea    -0x1(%r13,%r13,1),%r13d
L11:
  mov    %r12,%rbx
  movsbl (%rbx),%edi
  mov    %edi,%ebp
  call   <isalnum@plt>
  test   %eax,%eax
  je     L25
  nopw   0x0(%rax,%rax,1)
L52:
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  mov    %edi,%ebp
  call   <isalnum@plt>
  test   %eax,%eax
  jne    L52
L25:
  cmp    $0x5f,%bpl
  je     L52
  mov    $0x1,%esi
  mov    %rbx,%rdi
  call   <skipspace@plt>
  cltq
  cmpb   $0x28,(%rax)
  jne    L126
  lea    0x1(%rax),%rdi
  mov    $0x1,%esi
  xor    %eax,%eax
  call   <skipspace@plt>
  cltq
  cmpb   $0x29,(%rax)
  mov    %rax,0x8(%rsp)
  je     L126
  mov    D23(%rip),%r14
  sub    %r12,%rbx
  mov    %ebx,%r15d
  test   %r14,%r14
  je     L31
  mov    %ebx,%ebx
  lea    D23(%rip),%rbp
  jmp    L17
  nopw   0x0(%rax,%rax,1)
L115:
  mov    0x8(%rbp),%r14
  add    $0x8,%rbp
  test   %r14,%r14
  je     L152
L17:
  mov    %r14,%rdi
  call   <strlen@plt>
  cmp    %rbx,%rax
  jne    L115
  mov    %r15,%rdx
  mov    %r12,%rsi
  mov    %r14,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L115
  jmp    L126
  nopl   0x0(%rax)
L74:
  sub    $0x7b,%eax
  xor    %r13d,%r13d
  test   $0xfd,%al
  je     L261
  mov    $0xffffffff,%r13d
  jmp    L11
  nopl   0x0(%rax)
L206:
  xor    %r13d,%r13d
  jmp    L11
  nopl   0x0(%rax,%rax,1)
L152:
  mov    0x8(%rsp),%rbx
  jmp    L194
  nopw   0x0(%rax,%rax,1)
L9:
  add    $0x1,%rbx
L194:
  movsbl (%rbx),%edi
  mov    %edi,%r14d
  call   <isalnum@plt>
  cmp    $0x5f,%r14b
  je     L9
  test   %eax,%eax
  jne    L9
  mov    $0x1,%esi
  mov    %rbx,%rdi
  call   <skipspace@plt>
  cltq
  movzbl (%rax),%eax
  cmp    $0x2c,%al
  je     L126
  cmp    $0x29,%al
  je     L75
L2:
  cmp    $0x1,%r13d
  jne    L261
  mov    $0x1,%esi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <skipspace@plt>
  cltq
  movzbl (%rax),%edx
  test   %dl,%dl
  je     L261
  xor    %ebx,%ebx
  jmp    L57
L254:
  cmp    $0x29,%dl
  sete   %dl
  movzbl %dl,%edx
  sub    %edx,%ebx
L117:
  lea    0x1(%rax),%rdi
  mov    $0x1,%esi
  xor    %eax,%eax
  call   <skipspace@plt>
  cltq
  movzbl (%rax),%edx
  test   %dl,%dl
  je     L102
L57:
  cmp    $0x28,%dl
  jne    L254
  add    $0x1,%ebx
  jmp    L117
L75:
  mov    0x8(%rsp),%rdi
  sub    %rdi,%rbx
  cmp    $0x4,%ebx
  jne    L126
  mov    $0x4,%edx
  lea    D2(%rip),%rsi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L2
  jmp    L126
L102:
  test   %ebx,%ebx
  mov    $0xffffffff,%eax
  cmovg  %eax,%r13d
  jmp    L261
L31:
  mov    %rax,%rbx
  jmp    L194
```

tool_calls: name: parse_data
arguments: tag: D2
type: string

tool: D2: void

assistant: ```c
int test1(buf)
char *buf;
{
  char *p = buf;
  char *bend;
  char *endfn;
  int contin;
  if (!((1 && isalpha(*p)) || (*p) == '_'))
    return 0;
  bend = skipspace(ppdirbackward(buf + strlen(buf) - 1, buf), -1);
  switch (*bend) {
  case ';':
    contin = 0;
    break;
  case ')':
    contin = 1;
    break;
  case '{':
    return 0;
  case '}':
    return 0;
  default:
    contin = -1;
  }
  while (((1 && isalnum(*p)) || (*p) == '_'))
    p++;
  endfn = p;
  p = skipspace(p, 1);
  if (*p++ != '(')
    return 0;
  p = skipspace(p, 1);
  if (*p == ')')
    return 0;
  {
    static char *words[] = {"asm", "auto", "case", "char", "const", "double", "extern", "float", "for", "if", "int", "long", "register", "return", "short", "signed", "sizeof", "static", "switch", "typedef", "unsigned", "void", "volatile", "while", 0};
    char **key = words;
    char *kp;
    unsigned len = endfn - buf;
    while ((kp = *key) != 0) {
      if (strlen(kp) == len && !strncmp(kp, buf, len))
        return 0;
      key++;
    }
  }
  {
    char *id = p;
    int len;
    while (((1 && isalnum(*p)) || (*p) == '_'))
      p++;
    len = p - id;
    p = skipspace(p, 1);
    if (*p == ',' || (*p == ')' && (len != 4 || strncmp(id, "void", 4))))
      return 0;
  }
  if (contin > 0) {
    int level = 0;
    for (p = skipspace(buf, 1); *p; p = skipspace(p + 1, 1))
      level += (*p == '(' ? 1 : *p == ')' ? -1 : 0);
    if (level > 0)
      contin = -1;
  }
  return contin;
}
```