[unix-history] / usr / src / usr.bin / learn / getnum.c

#ifndef lint
static char sccsid[] = "@(#)getnum.c	1.1	(Berkeley)	6/8/88";
#endif not lint

#include <stdio.h>

getnum()
{
	int c, n;

	n = 0;
	while ((c=getchar()) >= '0' && c <= '9')
		n = n*10 + c - '0';
	if (c == EOF)
		return(-1);
	return(n);
}
Commit	Line	Data
87cbc68f	1	#ifndef lint
ca67e7b4	2	static char sccsid[] = "@(#)getnum.c 1.1 (Berkeley) 6/8/88";
87cbc68f JK	3	#endif not lint
	4
	5	#include <stdio.h>
	6
	7	getnum()
	8	{
	9	int c, n;
	10
	11	n = 0;
	12	while ((c=getchar()) >= '0' && c <= '9')
	13	n = n*10 + c - '0';
	14	if (c == EOF)
	15	return(-1);
	16	return(n);
	17	}