user: 下面的汇编指令对应的C源代码是什么：

```asm
<longestValidParentheses>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x0,%ebp
  test   %rdi,%rdi
  je     L28
  mov    %rdi,%rbx
  call   <strlen@plt>
  mov    %eax,%ebp
  lea    0x1(%rax),%edi
  call   <malloc@plt>
  mov    %rax,%rdi
  movslq %ebp,%rbp
  movb   $0x0,(%rax,%rbp,1)
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L200
  mov    %rax,%rsi
  mov    %rax,%rcx
  jmp    L608
L414:
  cmp    $0x28,%dl
  je     L492
L477:
  add    $0x1,%rbx
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L200
L608:
  cmp    $0x5d,%dl
  je     L141
  jg     L61
  cmp    $0x29,%dl
  je     L474
  cmp    $0x5b,%dl
  jne    L414
L492:
  mov    %dl,(%rcx)
  add    $0x1,%rcx
  jmp    L477
L61:
  cmp    $0x7b,%dl
  je     L492
  cmp    $0x7d,%dl
  jne    L477
  cmp    %rcx,%rdi
  je     L60
  cmpb   $0x7b,-0x1(%rcx)
  je     L549
L60:
  cmpb   $0x2a,-0x1(%rcx)
  je     L537
  movb   $0x7d,(%rcx)
  add    $0x1,%rcx
  jmp    L477
L474:
  cmp    %rcx,%rdi
  je     L9
  cmpb   $0x28,-0x1(%rcx)
  je     L591
L9:
  cmpb   $0x2a,-0x1(%rcx)
  je     L362
  movb   $0x29,(%rcx)
  add    $0x1,%rcx
  jmp    L477
L591:
  movb   $0x2a,-0x1(%rcx)
  lea    -0x1(%rcx),%rax
  cmp    %rax,%rdi
  je     L477
  lea    -0x2(%rcx),%rsi
  cmp    %rsi,%rdi
  je     L477
L138:
  cmpb   $0x2a,(%rsi)
  jne    L477
  sub    $0x1,%rsi
  cmp    %rsi,%rdi
  jne    L138
  jmp    L477
L362:
  cmpb   $0x28,(%rsi)
  je     L575
  movb   $0x29,(%rcx)
  add    $0x1,%rcx
  jmp    L477
L575:
  movb   $0x2a,(%rsi)
  cmp    %rsi,%rdi
  je     L477
L493:
  sub    $0x1,%rsi
  cmp    %rsi,%rdi
  je     L477
  cmpb   $0x2a,(%rsi)
  je     L493
  jmp    L477
L549:
  movb   $0x2a,-0x1(%rcx)
  lea    -0x1(%rcx),%rax
  cmp    %rax,%rdi
  je     L477
  lea    -0x2(%rcx),%rsi
  cmp    %rsi,%rdi
  je     L477
L195:
  cmpb   $0x2a,(%rsi)
  jne    L477
  sub    $0x1,%rsi
  cmp    %rsi,%rdi
  jne    L195
  jmp    L477
L537:
  cmpb   $0x7b,(%rsi)
  je     L74
  movb   $0x7d,(%rcx)
  add    $0x1,%rcx
  jmp    L477
L74:
  movb   $0x2a,(%rsi)
  cmp    %rsi,%rdi
  je     L477
L525:
  sub    $0x1,%rsi
  cmp    %rsi,%rdi
  je     L477
  cmpb   $0x2a,(%rsi)
  je     L525
  jmp    L477
L141:
  cmp    %rcx,%rdi
  je     L533
  cmpb   $0x5b,-0x1(%rcx)
  je     L204
L533:
  cmpb   $0x2a,-0x1(%rcx)
  je     L403
  movb   $0x5d,(%rcx)
  add    $0x1,%rcx
  jmp    L477
L204:
  movb   $0x2a,-0x1(%rcx)
  lea    -0x1(%rcx),%rax
  cmp    %rax,%rdi
  je     L477
  lea    -0x2(%rcx),%rsi
  cmp    %rsi,%rdi
  je     L477
L603:
  cmpb   $0x2a,(%rsi)
  jne    L477
  sub    $0x1,%rsi
  cmp    %rsi,%rdi
  jne    L603
  jmp    L477
L403:
  cmpb   $0x5b,(%rsi)
  je     L75
  movb   $0x5d,(%rcx)
  add    $0x1,%rcx
  jmp    L477
L75:
  movb   $0x2a,(%rsi)
  cmp    %rsi,%rdi
  je     L477
L247:
  sub    $0x1,%rsi
  cmp    %rsi,%rdi
  je     L477
  cmpb   $0x2a,(%rsi)
  je     L247
  jmp    L477
L200:
  movzbl (%rdi),%edx
  test   %dl,%dl
  je     L15
  mov    %rdi,%rcx
  mov    $0x0,%esi
  mov    $0x0,%r8d
  jmp    L504
L231:
  add    $0x2,%esi
L516:
  add    $0x1,%rcx
  movzbl (%rcx),%edx
  test   %dl,%dl
  je     L461
L504:
  cmp    $0x2a,%dl
  je     L231
  cmp    %esi,%r8d
  cmovl  %esi,%r8d
  mov    $0x0,%esi
  jmp    L516
L15:
  mov    $0x0,%esi
  mov    $0x0,%r8d
L461:
  cmp    %esi,%r8d
  cmovge %r8d,%esi
  mov    %esi,%ebp
  call   <free@plt>
L28:
  mov    %ebp,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int longestValidParentheses(char *s) {
  if (s == NULL) {
    return 0;
  }
  int maxLen = 0;
  int curLen = 0;
  int sLen = strlen(s);
  char *stack = (char *)malloc((sLen + 1) * sizeof(char));
  char *pStack = stack;
  pStack[sLen] = '\0';
  char *stackPre = stack;
  ;
  while (*s) {
    switch (*s) {
    case '(':
    case '{':
    case '[':
      *pStack = *s;
      pStack++;
      break;
    case ')':
      if (pStack != stack && *(pStack - 1) == '(') {
        *(pStack - 1) = '*';
        if (pStack - 1 != stack) {
          stackPre = pStack - 2;
          while (stackPre != stack && *stackPre == '*') {
            stackPre--;
          }
        }
      } else if (*(pStack - 1) == '*') {
        if (*stackPre == '(') {
          *stackPre = '*';
          while (stackPre != stack && *stackPre == '*') {
            stackPre--;
          }
        } else {
          *pStack = ')';
          pStack++;
        }
      } else {
        *pStack = ')';
        pStack++;
      }
      break;
    case '}':
      if (pStack != stack && *(pStack - 1) == '{') {
        *(pStack - 1) = '*';
        if (pStack - 1 != stack) {
          stackPre = pStack - 2;
          while (stackPre != stack && *stackPre == '*') {
            stackPre--;
          }
        }
      } else if (*(pStack - 1) == '*') {
        if (*stackPre == '{') {
          *stackPre = '*';
          while (stackPre != stack && *stackPre == '*') {
            stackPre--;
          }
        } else {
          *pStack = '}';
          pStack++;
        }
      } else {
        *pStack = '}';
        pStack++;
      }
      break;
    case ']':
      if (pStack != stack && *(pStack - 1) == '[') {
        *(pStack - 1) = '*';
        if (pStack - 1 != stack) {
          stackPre = pStack - 2;
          while (stackPre != stack && *stackPre == '*') {
            stackPre--;
          }
        }
      } else if (*(pStack - 1) == '*') {
        if (*stackPre == '[') {
          *stackPre = '*';
          while (stackPre != stack && *stackPre == '*') {
            stackPre--;
          }
        } else {
          *pStack = ']';
          pStack++;
        }
      } else {
        *pStack = ']';
        pStack++;
      }
      break;
    }
    s++;
  }
  maxLen = 0;
  curLen = 0;
  pStack = stack;
  while (*pStack) {
    if (*pStack == '*') {
      curLen += 2;
    } else {
      if (curLen > maxLen) {
        maxLen = curLen;
      }
      curLen = 0;
    }
    pStack++;
  }
  if (curLen > maxLen) {
    maxLen = curLen;
  }
  free(stack);
  return maxLen;
}
```