user: What is the c source code of the assembly code below?

```asm
<longestValidParentheses>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  cmpq   $0x0,-0x38(%rbp)
  jne    L657
  mov    $0x0,%eax
  jmp    L408
L657:
  movl   $0x0,-0x24(%rbp)
  movl   $0x0,-0x20(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L189
L266:
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    $0x7d,%eax
  je     L98
  cmp    $0x7d,%eax
  jg     L651
  cmp    $0x7b,%eax
  je     L498
  cmp    $0x7b,%eax
  jg     L651
  cmp    $0x5d,%eax
  je     L616
  cmp    $0x5d,%eax
  jg     L651
  cmp    $0x5b,%eax
  je     L498
  cmp    $0x5b,%eax
  jg     L651
  cmp    $0x28,%eax
  je     L498
  cmp    $0x29,%eax
  je     L524
  jmp    L651
L498:
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    %dl,(%rax)
  addq   $0x1,-0x18(%rbp)
  jmp    L651
L524:
  mov    -0x18(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  je     L661
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x28,%al
  jne    L661
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x2a,(%rax)
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  cmp    %rax,-0x8(%rbp)
  je     L354
  mov    -0x18(%rbp),%rax
  sub    $0x2,%rax
  mov    %rax,-0x10(%rbp)
  jmp    L201
L643:
  subq   $0x1,-0x10(%rbp)
L201:
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  je     L354
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  je     L643
  jmp    L354
L661:
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  jne    L448
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x28,%al
  jne    L336
  mov    -0x10(%rbp),%rax
  movb   $0x2a,(%rax)
  jmp    L575
L379:
  subq   $0x1,-0x10(%rbp)
L575:
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  je     L131
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  je     L379
  jmp    L131
L336:
  mov    -0x18(%rbp),%rax
  movb   $0x29,(%rax)
  addq   $0x1,-0x18(%rbp)
  jmp    L131
L448:
  mov    -0x18(%rbp),%rax
  movb   $0x29,(%rax)
  addq   $0x1,-0x18(%rbp)
  jmp    L131
L354:
  nop
  jmp    L131
L98:
  mov    -0x18(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  je     L53
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x7b,%al
  jne    L53
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x2a,(%rax)
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  cmp    %rax,-0x8(%rbp)
  je     L235
  mov    -0x18(%rbp),%rax
  sub    $0x2,%rax
  mov    %rax,-0x10(%rbp)
  jmp    L461
L522:
  subq   $0x1,-0x10(%rbp)
L461:
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  je     L235
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  je     L522
  jmp    L235
L53:
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  jne    L272
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x7b,%al
  jne    L691
  mov    -0x10(%rbp),%rax
  movb   $0x2a,(%rax)
  jmp    L530
L663:
  subq   $0x1,-0x10(%rbp)
L530:
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  je     L304
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  je     L663
  jmp    L304
L691:
  mov    -0x18(%rbp),%rax
  movb   $0x7d,(%rax)
  addq   $0x1,-0x18(%rbp)
  jmp    L304
L272:
  mov    -0x18(%rbp),%rax
  movb   $0x7d,(%rax)
  addq   $0x1,-0x18(%rbp)
  jmp    L304
L235:
  nop
  jmp    L304
L616:
  mov    -0x18(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  je     L607
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x5b,%al
  jne    L607
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x2a,(%rax)
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  cmp    %rax,-0x8(%rbp)
  je     L479
  mov    -0x18(%rbp),%rax
  sub    $0x2,%rax
  mov    %rax,-0x10(%rbp)
  jmp    L160
L357:
  subq   $0x1,-0x10(%rbp)
L160:
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  je     L479
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  je     L357
  jmp    L479
L607:
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  jne    L711
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5b,%al
  jne    L322
  mov    -0x10(%rbp),%rax
  movb   $0x2a,(%rax)
  jmp    L604
L627:
  subq   $0x1,-0x10(%rbp)
L604:
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  je     L69
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  je     L627
  jmp    L69
L322:
  mov    -0x18(%rbp),%rax
  movb   $0x5d,(%rax)
  addq   $0x1,-0x18(%rbp)
  jmp    L69
L711:
  mov    -0x18(%rbp),%rax
  movb   $0x5d,(%rax)
  addq   $0x1,-0x18(%rbp)
  jmp    L69
L479:
  nop
  jmp    L69
L131:
  nop
  jmp    L651
L304:
  nop
  jmp    L651
L69:
  nop
L651:
  addq   $0x1,-0x38(%rbp)
L189:
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L266
  movl   $0x0,-0x24(%rbp)
  movl   $0x0,-0x20(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L46
L570:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  jne    L296
  addl   $0x2,-0x20(%rbp)
  jmp    L629
L296:
  mov    -0x20(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jle    L147
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x24(%rbp)
L147:
  movl   $0x0,-0x20(%rbp)
L629:
  addq   $0x1,-0x18(%rbp)
L46:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L570
  mov    -0x20(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jle    L308
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x24(%rbp)
L308:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x24(%rbp),%eax
L408:
  leave
  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;
}
```