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-rw-r--r--demos/isprime.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/demos/isprime.c b/demos/isprime.c
index fa6d32039..5b245dd08 100644
--- a/demos/isprime.c
+++ b/demos/isprime.c
@@ -1,5 +1,5 @@
/* Classify numbers as probable primes, primes or composites.
- With -q return true if the folowing argument is a (probable) prime.
+ With -q return true if the following argument is a (probable) prime.
Copyright 1999, 2000, 2002, 2005 Free Software Foundation, Inc.
@@ -16,6 +16,7 @@ You should have received a copy of the GNU General Public License along with
this program. If not, see http://www.gnu.org/licenses/. */
#include <stdlib.h>
+#include <string.h>
#include <stdio.h>
#include "gmp.h"