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File:  [Research Unix] / researchv10dc / libI77 / notused / rew.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 17:21:34 2018 UTC (8 years, 1 month ago) by root
Branches: belllabs, MAIN
CVS tags: researchv10, HEAD
researchv10 Dan Cross

/*	@(#)rew.c	1.2	*/
/*	3.0 SID #	1.2	*/
/*LINTLIBRARY*/
#include <stdio.h>

extern int fflush();
extern long lseek();

void
rewind(iop)
register FILE *iop;
{
	(void) fflush(iop);
	(void) lseek(fileno(iop), 0L, 0);
	iop->_cnt = 0;
	iop->_ptr = iop->_base;
	iop->_flag &= ~(_IOERR | _IOEOF);
	if(iop->_flag & _IORW)
		iop->_flag &= ~(_IOREAD | _IOWRT);
}
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