V_wcsistr

/* V_wcsistr(wchar_t const*, wchar_t const*) */

wchar_t * V_wcsistr(wchar_t *param_1,wchar_t *param_2)

{
  wchar_t *pwVar1;
  wint_t wVar2;
  wint_t wVar3;
  wchar_t __wc;
  wint_t wVar4;
  wchar_t __wc_00;
  int iVar5;
  wchar_t local_28;
  wchar_t *local_24;
  
  if (((param_1 != (wchar_t *)0x0) && (param_2 != (wchar_t *)0x0)) &&
     (local_28 = *param_1, local_28 != L'\0')) {
    wVar2 = towlower(*param_2);
    do {
      while( true ) {
        pwVar1 = param_1;
        local_24 = pwVar1 + 1;
        wVar3 = towlower(local_28);
        if (wVar3 != wVar2) break;
        __wc_00 = param_2[1];
        if (__wc_00 == L'\0') {
          return pwVar1;
        }
        local_28 = *local_24;
        if (local_28 == L'\0') {
          return (wchar_t *)0x0;
        }
        __wc = local_28;
        iVar5 = 0;
        while( true ) {
          wVar3 = towlower(__wc);
          wVar4 = towlower(__wc_00);
          param_1 = local_24;
          if (wVar3 != wVar4) break;
          __wc_00 = *(wchar_t *)((int)param_2 + iVar5 + 8);
          if (__wc_00 == L'\0') {
            return pwVar1;
          }
          __wc = *(wchar_t *)((int)pwVar1 + iVar5 + 8);
          iVar5 = iVar5 + 4;
          if (__wc == L'\0') {
            return (wchar_t *)0x0;
          }
        }
      }
      local_28 = *local_24;
      param_1 = local_24;
    } while (local_28 != L'\0');
  }
  return (wchar_t *)0x0;
}