/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
*/

#define	import_spp
#define	import_libc
#define	import_stdio
#include <iraf.h>


/* GETS -- Read a newline terminated sequence from the standard input and
** return the resultant string minus the newline to the user.
*/
char *
gets (
  char	*buf			/* user supplied output buffer	*/
)
{
	register FILE	*fp = stdin;
	register char	*op = buf;
	register int	ch;


	while ((ch = getc (fp)) != EOF) {
	    if (ch == '\n')
		break;
	    *op++ = ch;
	}
	*op = EOS;

	if (ch == EOF && op == buf)
	    return ((char *) NULL);
	else
	    return (buf);
}