50 lflush(FILE *fp)  in lflush()  argument
54 	if ((fp->_flags & (__SLBF|__SWR)) == (__SLBF|__SWR)) {  in lflush()
55 		FLOCKFILE_CANCELSAFE(fp);  in lflush()
56 		ret = __sflush(fp);  in lflush()
67 __srefill(FILE *fp)  in __srefill()  argument
74 	ORIENT(fp, -1);  in __srefill()
76 	fp->_r = 0;		/* largely a convenience for callers */  in __srefill()
79 	if (fp->_flags & __SEOF)  in __srefill()
83 	if ((fp->_flags & __SRD) == 0) {  in __srefill()
84 		if ((fp->_flags & __SRW) == 0) {  in __srefill()
86 			fp->_flags |= __SERR;  in __srefill()
90 		if (fp->_flags & __SWR) {  in __srefill()
91 			if (__sflush(fp))  in __srefill()
93 			fp->_flags &= ~__SWR;  in __srefill()
94 			fp->_w = 0;  in __srefill()
95 			fp->_lbfsize = 0;  in __srefill()
97 		fp->_flags |= __SRD;  in __srefill()
105 		if (HASUB(fp)) {  in __srefill()
106 			FREEUB(fp);  in __srefill()
107 			if ((fp->_r = fp->_ur) != 0) {  in __srefill()
108 				fp->_p = fp->_up;  in __srefill()
114 	if (fp->_bf._base == NULL)  in __srefill()
115 		__smakebuf(fp);  in __srefill()
122 	if (fp->_flags & (__SLBF|__SNBF)) {  in __srefill()
124 		fp->_flags |= __SIGN;  in __srefill()
126 		fp->_flags &= ~__SIGN;  in __srefill()
129 		if ((fp->_flags & (__SLBF|__SWR)) == (__SLBF|__SWR))  in __srefill()
130 			__sflush(fp);  in __srefill()
132 	fp->_p = fp->_bf._base;  in __srefill()
133 	fp->_r = _sread(fp, (char *)fp->_p, fp->_bf._size);  in __srefill()
134 	fp->_flags &= ~__SMOD;	/* buffer contents are again pristine */  in __srefill()
135 	if (fp->_r <= 0) {  in __srefill()
136 		if (fp->_r == 0)  in __srefill()
137 			fp->_flags |= __SEOF;  in __srefill()
139 			fp->_r = 0;  in __srefill()
140 			fp->_flags |= __SERR;  in __srefill()