67 #define	cantwrite(fp) \  argument
68 	((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \
69 	 __swsetup(fp))
75 #define	HASUB(fp) (_UB(fp)._base != NULL)  argument
76 #define	FREEUB(fp) { \  argument
77 	if (_UB(fp)._base != (fp)->_ubuf) \
78 		free(_UB(fp)._base); \
79 	_UB(fp)._base = NULL; \
85 #define	HASLB(fp) ((fp)->_lb._base != NULL)  argument
86 #define	FREELB(fp) { \  argument
87 	free((char *)(fp)->_lb._base); \
88 	(fp)->_lb._base = NULL; \
91 #define FLOCKFILE(fp)   do { if (__isthreaded) flockfile(fp); } while (0)  argument
92 #define FUNLOCKFILE(fp) do { if (__isthreaded) funlockfile(fp); } while (0)  argument