48 lflush(FILE *fp)  in lflush()  argument
52 	if ((fp->pub._flags & (__SLBF|__SWR)) == (__SLBF|__SWR)) {  in lflush()
53 		FLOCKFILE(fp);  in lflush()
54 		ret = __sflush(fp);  in lflush()
55 		FUNLOCKFILE(fp);  in lflush()
65 __srefill(FILE *fp)  in __srefill()  argument
72 	ORIENT(fp, -1);  in __srefill()
74 	fp->pub._r = 0;		/* largely a convenience for callers */  in __srefill()
77 	if (fp->pub._flags & __SEOF)  in __srefill()
81 	if ((fp->pub._flags & __SRD) == 0) {  in __srefill()
82 		if ((fp->pub._flags & __SRW) == 0) {  in __srefill()
84 			fp->pub._flags |= __SERR;  in __srefill()
88 		if (fp->pub._flags & __SWR) {  in __srefill()
89 			if (__sflush(fp))  in __srefill()
91 			fp->pub._flags &= ~__SWR;  in __srefill()
92 			fp->pub._w = 0;  in __srefill()
93 			fp->pub._lbfsize = 0;  in __srefill()
95 		fp->pub._flags |= __SRD;  in __srefill()
103 		if (HASUB(fp)) {  in __srefill()
104 			FREEUB(fp);  in __srefill()
105 			if ((fp->pub._r = fp->_ur) != 0) {  in __srefill()
106 				fp->pub._p = fp->_up;  in __srefill()
112 	if (fp->_bf._base == NULL)  in __srefill()
113 		__smakebuf(fp);  in __srefill()
120 	if (fp->pub._flags & (__SLBF|__SNBF)) {  in __srefill()
122 		fp->pub._flags |= __SIGN;  in __srefill()
124 		fp->pub._flags &= ~__SIGN;  in __srefill()
127 		if ((fp->pub._flags & (__SLBF|__SWR)) == (__SLBF|__SWR))  in __srefill()
128 			__sflush(fp);  in __srefill()
130 	fp->pub._p = fp->_bf._base;  in __srefill()
131 	fp->pub._r = _sread(fp, (char *)fp->pub._p, fp->_bf._size);  in __srefill()
132 	fp->pub._flags &= ~__SMOD;	/* buffer contents are again pristine */  in __srefill()
133 	if (fp->pub._r <= 0) {  in __srefill()
134 		if (fp->pub._r == 0)  in __srefill()
135 			fp->pub._flags |= __SEOF;  in __srefill()
137 			fp->pub._r = 0;  in __srefill()
138 			fp->pub._flags |= __SERR;  in __srefill()