user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<find_vpattern>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%r13
  mov    %rsi,0x18(%rsp)
  call   <strlen@plt>
  mov    %rax,0x8(%rsp)
  mov    $0x1,%ebx
  mov    $0x0,%ebp
  movl   $0x0,0x14(%rsp)
  mov    $0x0,%r15d
  lea    D5(%rip),%r14
  jmp    L146
L181:
  cmp    $0x5f,%r12b
  cmove  %ebp,%r15d
  mov    $0x2,%eax
  cmove  %eax,%ebx
  add    $0x1,%ebp
  mov    $0x0,%edx
L48:
  test   %edx,%edx
  jne    L111
  movslq %ebp,%rax
  cmp    0x8(%rsp),%rax
  jae    L111
L146:
  movslq %ebp,%rax
  movzbl 0x0(%r13,%rax,1),%r12d
  cmp    $0x1,%ebx
  je     L181
  cmp    $0x6,%ebx
  ja     L46
  mov    %ebx,%eax
  movslq (%r14,%rax,4),%rax
  add    %r14,%rax
  notrack jmp *%rax
  movsbl %r12b,%edi
  call   <isdigit@plt>
  cmp    $0x1,%rax
  sbb    %ebx,%ebx
  and    $0xfffffffe,%ebx
  add    $0x3,%ebx
  add    $0x1,%ebp
  mov    $0x0,%edx
  jmp    L48
  movsbl %r12b,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L171
  cmp    $0x70,%r12b
  je     L87
  mov    $0x1,%ebx
  cmp    $0x2e,%r12b
  jne    L171
L87:
  mov    $0x4,%ebx
L171:
  add    $0x1,%ebp
  mov    $0x0,%edx
  jmp    L48
  movsbl %r12b,%edi
  call   <isdigit@plt>
  cmp    $0x1,%rax
  sbb    %ebx,%ebx
  and    $0xfffffffc,%ebx
  add    $0x5,%ebx
  add    $0x1,%ebp
  mov    $0x0,%edx
  jmp    L48
  movsbl %r12b,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L63
  cmp    $0x56,%r12b
  sete   %bl
  movzbl %bl,%ebx
  lea    0x1(%rbx,%rbx,4),%ebx
L63:
  add    $0x1,%ebp
  mov    $0x0,%edx
  jmp    L48
  cmp    $0x5f,%r12b
  je     L34
  cmp    $0x2e,%r12b
  je     L34
  mov    $0x0,%edx
  mov    $0x1,%ebx
  jmp    L130
L34:
  mov    %ebp,0x14(%rsp)
  mov    $0x1,%edx
L130:
  add    $0x1,%ebp
  jmp    L48
L46:
  mov    $0x0,%edx
  jmp    L48
L111:
  test   %edx,%edx
  je     L156
  cmp    0x14(%rsp),%r15d
  jg     L119
  movslq %r15d,%rcx
  mov    %rcx,%rax
  mov    0x18(%rsp),%rsi
  sub    %rcx,%rsi
L135:
  movzbl 0x0(%r13,%rax,1),%ecx
  mov    %cl,(%rsi,%rax,1)
  add    $0x1,%rax
  cmp    %eax,0x14(%rsp)
  jge    L135
  mov    0x14(%rsp),%eax
  add    $0x1,%eax
L19:
  sub    %r15d,%eax
  cltq
  mov    0x18(%rsp),%rdi
  movb   $0x0,(%rdi,%rax,1)
L156:
  mov    %edx,%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L119:
  mov    %r15d,%eax
  jmp    L19
```

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;
}
```