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File:  [CSRG BSD Unix] / 40BSD / libc / gen / isatty.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 16:12:53 2018 UTC (8 years, 1 month ago) by root
Branches: MAIN, BSD
CVS tags: HEAD, BSD40
BSD 4.0

/*
 * Returns 1 iff file is a tty
 */

#include <sgtty.h>

isatty(f)
{
	struct sgttyb ttyb;

	if (gtty(f, &ttyb) < 0)
		return(0);
	return(1);
}
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