user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<find_vpattern>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x1c(%rbp)
  movl   $0x0,-0x18(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x0,-0x14(%rbp)
  movl   $0x1,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
L134:
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    %al,-0x21(%rbp)
  cmpl   $0x1,-0x10(%rbp)
  jne    L94
  cmpb   $0x5f,-0x21(%rbp)
  jne    L169
  addl   $0x1,-0x10(%rbp)
  mov    -0x14(%rbp),%eax
  mov    %eax,-0x1c(%rbp)
L169:
  addl   $0x1,-0x14(%rbp)
  jmp    L147
L94:
  cmpl   $0x2,-0x10(%rbp)
  jne    L279
  movsbl -0x21(%rbp),%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L6
  addl   $0x1,-0x10(%rbp)
  jmp    L77
L6:
  movl   $0x1,-0x10(%rbp)
L77:
  addl   $0x1,-0x14(%rbp)
  jmp    L147
L279:
  cmpl   $0x3,-0x10(%rbp)
  jne    L41
  movsbl -0x21(%rbp),%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L5
  cmpb   $0x70,-0x21(%rbp)
  je     L154
  cmpb   $0x2e,-0x21(%rbp)
  jne    L284
L154:
  addl   $0x1,-0x10(%rbp)
  jmp    L5
L284:
  movl   $0x1,-0x10(%rbp)
L5:
  addl   $0x1,-0x14(%rbp)
  jmp    L147
L41:
  cmpl   $0x4,-0x10(%rbp)
  jne    L113
  movsbl -0x21(%rbp),%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L149
  addl   $0x1,-0x10(%rbp)
  jmp    L12
L149:
  movl   $0x1,-0x10(%rbp)
L12:
  addl   $0x1,-0x14(%rbp)
  jmp    L147
L113:
  cmpl   $0x5,-0x10(%rbp)
  jne    L117
  movsbl -0x21(%rbp),%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L16
  cmpb   $0x56,-0x21(%rbp)
  jne    L57
  addl   $0x1,-0x10(%rbp)
  jmp    L16
L57:
  movl   $0x1,-0x10(%rbp)
L16:
  addl   $0x1,-0x14(%rbp)
  jmp    L147
L117:
  cmpl   $0x6,-0x10(%rbp)
  jne    L147
  cmpb   $0x5f,-0x21(%rbp)
  je     L289
  cmpb   $0x2e,-0x21(%rbp)
  jne    L98
L289:
  movl   $0x1,-0xc(%rbp)
  mov    -0x14(%rbp),%eax
  mov    %eax,-0x18(%rbp)
  jmp    L8
L98:
  movl   $0x1,-0x10(%rbp)
L8:
  addl   $0x1,-0x14(%rbp)
L147:
  mov    -0x14(%rbp),%eax
  cltq
  cmp    %rax,-0x8(%rbp)
  jbe    L232
  cmpl   $0x0,-0xc(%rbp)
  je     L134
L232:
  cmpl   $0x0,-0xc(%rbp)
  jne    L182
  mov    $0x0,%eax
  jmp    L296
L182:
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0x20(%rbp)
  jmp    L292
L287:
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x20(%rbp),%eax
  sub    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  movzbl (%rcx),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x20(%rbp)
L292:
  mov    -0x20(%rbp),%eax
  cmp    -0x18(%rbp),%eax
  jle    L287
  mov    -0x20(%rbp),%eax
  sub    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    $0x1,%eax
L296:
  leave
  ret
```

assistant: ```c
int find_vpattern(char *str, char *found) {
  size_t len;
  int i;
  int start;
  int end;
  int pos;
  int state;
  int done;
  char c;
  len = strlen(str);
  start = 0;
  end = 0;
  done = 0;
  pos = 0;
  state = 1;
  done = 0;
  do {
    c = str[pos];
    if (state == 1) {
      if (c == '_') {
        state++;
        start = pos;
      }
      pos++;
    } else if (state == 2) {
      if (isdigit((char)c)) {
        state++;
      } else {
        state = 1;
      }
      pos++;
    } else if (state == 3) {
      if (isdigit((char)c)) {
        ;
      } else if ((c == 'p') || (c == '.')) {
        state++;
      } else {
        state = 1;
      }
      pos++;
    } else if (state == 4) {
      if (isdigit((char)c)) {
        state++;
      } else {
        state = 1;
      }
      pos++;
    } else if (state == 5) {
      if (isdigit((char)c)) {
        ;
      } else if (c == 'V') {
        state++;
      } else {
        state = 1;
      }
      pos++;
    } else if (state == 6) {
      if ((c == '_') || (c == '.')) {
        done = 1;
        end = pos;
      } else {
        state = 1;
      }
      pos++;
    }
  } while ((pos < len) && (done == 0));
  if (done == 0)
    return 0;
  for (i = start; i <= end; i++) {
    found[i - start] = str[i];
  }
  found[i - start] = 0x00;
  return 1;
}
```