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File:  [Research Unix] / researchv10dc / libI77 / notused / findiop.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

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

extern FILE *_lastbuf;

FILE *
_findiop()
{
	register FILE *iop;

	for(iop = _iob; iop->_flag & (_IOREAD | _IOWRT | _IORW); iop++)
		if(iop >= _lastbuf)
			return(NULL);
	return(iop);
}
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