#ifndef _STDIO_EXT_H # include extern int __fsetlocking_internal (FILE *__fp, int __type) attribute_hidden; #define __fsetlocking(fp, type) \ ({ int __result = ((fp->_flags & _IO_USER_LOCK) \ ? FSETLOCKING_BYCALLER : FSETLOCKING_INTERNAL); \ \ if (type != FSETLOCKING_QUERY) \ { \ fp->_flags &= ~_IO_USER_LOCK; \ if (type == FSETLOCKING_BYCALLER) \ fp->_flags |= _IO_USER_LOCK; \ } \ \ __result; \ }) #endif