user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<cleanIgnore>:
  endbr64
  push   %r15
  movslq %esi,%rsi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  lea    (%rdi,%rsi,1),%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  cmp    %rbp,%rdi
  jae    L164
  mov    %rdx,%r13
  mov    $0xffffffff,%r14d
  mov    $0x1,%r15d
  mov    $0xffffffff,%r12d
  jmp    L59
  nopl   0x0(%rax)
L85:
  test   %r15d,%r15d
  je     L220
  add    $0x1,%r12d
  movslq %r12d,%rax
  mov    %rbx,0x0(%r13,%rax,8)
L220:
  movsbl (%rbx),%edi
  xor    %r15d,%r15d
  call   <isupper@plt>
  test   %rax,%rax
  jne    L87
L20:
  add    $0x1,%rbx
  cmp    %rbx,%rbp
  je     L77
L59:
  movsbl (%rbx),%edi
  call   <isspace@plt>
  test   %eax,%eax
  je     L85
  movzbl (%rbx),%eax
  cmp    $0x20,%al
  je     L187
  cmp    $0x9,%al
  je     L102
  cmp    $0xa,%al
  je     L170
  cmp    $0xd,%al
  jne    L20
L170:
  lea    0x1(%r12),%r8d
  movb   $0x0,(%rbx)
  add    $0x1,%rbx
  movslq %r8d,%rax
  mov    %rbx,0x0(%r13,%rax,8)
L2:
  add    $0x8,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L187:
  movb   $0x0,(%rbx)
  add    $0x1,%rbx
  mov    $0x1,%r15d
  cmp    %rbx,%rbp
  jne    L59
  nopw   0x0(%rax,%rax,1)
L77:
  mov    %r12d,%r8d
  cmpb   $0x0,-0x1(%rbp)
  not    %r8d
  je     L214
L113:
  lea    0x1(%r12),%ecx
  mov    $0x1,%eax
  test   %r12d,%r12d
  jle    L2
L157:
  mov    0x0(%r13,%rax,8),%rdx
  cmp    %eax,%r14d
  je     L57
L109:
  add    $0x1,%rax
  movb   $0x20,-0x1(%rdx)
  cmp    %rax,%rcx
  je     L2
  mov    0x0(%r13,%rax,8),%rdx
  cmp    %eax,%r14d
  jne    L109
L57:
  add    $0x1,%rax
  movb   $0x9,-0x1(%rdx)
  cmp    %rax,%rcx
  jne    L157
  jmp    L2
  nopl   0x0(%rax,%rax,1)
L87:
  movsbl (%rbx),%edi
  call   <tolower@plt>
  mov    %al,(%rbx)
  jmp    L20
  nopw   0x0(%rax,%rax,1)
L102:
  movb   $0x0,(%rbx)
  lea    0x1(%r12),%r14d
  mov    $0x1,%r15d
  jmp    L20
  nopl   0x0(%rax,%rax,1)
L214:
  lea    0x1(%r12),%eax
  mov    $0x20,%edx
  cmp    %r14d,%eax
  mov    $0x9,%eax
  cmovne %edx,%eax
  mov    %al,-0x1(%rbp)
  jmp    L113
L164:
  xor    %r8d,%r8d
  cmpb   $0x0,-0x1(%rdi)
  jne    L2
  movb   $0x20,-0x1(%rdi)
  jmp    L2
```

assistant: ```c
int cleanIgnore(char *inbuf, int maxbuf, char **wstarts) {
  char *curpos, *badpos;
  int i, j, prevspace, tab_ndx;
  i = -1;
  prevspace = 1;
  tab_ndx = -1;
  curpos = inbuf;
  badpos = curpos + maxbuf;
  while (curpos < badpos) {
    if (!isspace(*curpos)) {
      if (prevspace) {
        i++;
        wstarts[i] = curpos;
        prevspace = 0;
      }
      if (isupper(*curpos)) {
        *curpos = tolower(*curpos);
      }
    } else if (*curpos == ' ') {
      *curpos = '\0';
      prevspace = 1;
    } else if (*curpos == '\t') {
      *curpos = '\0';
      prevspace = 1;
      tab_ndx = i + 1;
    } else if (*curpos == '\n' || *curpos == '\r') {
      *curpos = '\0';
      i++;
      wstarts[i] = curpos + 1;
      return i;
    }
    curpos++;
  }
  curpos--;
  if (*curpos == '\0') {
    if (tab_ndx != (i + 1)) {
      *curpos = ' ';
    } else {
      *curpos = '\t';
    }
  }
  for (j = 1; j <= i; j++) {
    curpos = wstarts[j];
    curpos--;
    if (j != tab_ndx) {
      *curpos = ' ';
    } else {
      *curpos = '\t';
    }
  }
  return -(i + 1);
}
```