40 lflush(FILE *fp)  in lflush()  argument
42 	if ((fp->_flags & (__SLBF|__SWR)) == (__SLBF|__SWR))  in lflush()
43 		return (__sflush_locked(fp)); /* ignored... */  in lflush()
52 __srefill(FILE *fp)  in __srefill()  argument
59 	fp->_r = 0;		/* largely a convenience for callers */  in __srefill()
62 	if (fp->_flags & __SEOF)  in __srefill()
66 	if ((fp->_flags & __SRD) == 0) {  in __srefill()
67 		if ((fp->_flags & __SRW) == 0) {  in __srefill()
69 			fp->_flags |= __SERR;  in __srefill()
73 		if (fp->_flags & __SWR) {  in __srefill()
74 			if (__sflush(fp))  in __srefill()
76 			fp->_flags &= ~__SWR;  in __srefill()
77 			fp->_w = 0;  in __srefill()
78 			fp->_lbfsize = 0;  in __srefill()
80 		fp->_flags |= __SRD;  in __srefill()
88 		if (HASUB(fp)) {  in __srefill()
89 			FREEUB(fp);  in __srefill()
90 			if ((fp->_r = fp->_ur) != 0) {  in __srefill()
91 				fp->_p = fp->_up;  in __srefill()
97 	if (fp->_bf._base == NULL)  in __srefill()
98 		__smakebuf(fp);  in __srefill()
105 	if (fp->_flags & (__SLBF|__SNBF)) {  in __srefill()
107 		fp->_flags |= __SIGN;  in __srefill()
109 		fp->_flags &= ~__SIGN;  in __srefill()
112 		if ((fp->_flags & (__SLBF|__SWR)) == (__SLBF|__SWR))  in __srefill()
113 		    __sflush(fp);  in __srefill()
115 	fp->_p = fp->_bf._base;  in __srefill()
116 	fp->_r = (*fp->_read)(fp->_cookie, (char *)fp->_p, fp->_bf._size);  in __srefill()
117 	fp->_flags &= ~__SMOD;	/* buffer contents are again pristine */  in __srefill()
118 	if (fp->_r <= 0) {  in __srefill()
119 		if (fp->_r == 0)  in __srefill()
120 			fp->_flags |= __SEOF;  in __srefill()
122 			fp->_r = 0;  in __srefill()
123 			fp->_flags |= __SERR;  in __srefill()