151 #define _EXT(fp) reinterpret_cast<__sfileext*>((fp)->_ext._base)  argument
153 #define _EXT(fp) ((struct __sfileext *)((fp)->_ext._base))  argument
156 #define _UB(fp) _EXT(fp)->_ub  argument
157 #define _FLOCK(fp)  _EXT(fp)->_lock  argument
159 #define _FILEEXT_INIT(fp) \  argument
218 #define	cantwrite(fp) \  argument
226 #define	HASUB(fp) (_UB(fp)._base != NULL)  argument
227 #define	FREEUB(fp) { \  argument
236 #define	HASLB(fp) ((fp)->_lb._base != NULL)  argument
237 #define	FREELB(fp) { \  argument
242 #define FLOCKFILE(fp)   if (!_EXT(fp)->_caller_handles_locking) flockfile(fp)  argument
243 #define FUNLOCKFILE(fp) if (!_EXT(fp)->_caller_handles_locking) funlockfile(fp)  argument