new copyright; att/bsd/shared

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

/*-
* Copyright (c) 1988 The Regents of the University of California.
* All rights reserved.
*
* %sccs.include.proprietary.c%
*/

#ifndef lint
static char sccsid[] = "@(#)getnum.c    5.1 (Berkeley) %G%";
#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);
}