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HEAD
BSD 4_3_Tahoe release
[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
);
}