Heap: Interface cleanup

[libucw.git] / ucw / bitsig.h

diff --git a/ucw/bitsig.h b/ucw/bitsig.h
index 60a5b1478474ef7f0ca32c340d8f5d2e540c9a04..d9e78e27fe5461fff8d9406085c1d58b1eeabdd3 100644 (file)
--- a/ucw/bitsig.h
+++ b/ucw/bitsig.h
@@ -7,9 +7,14 @@
  *     of the GNU Lesser General Public License.
  */
 
+#ifndef _UCW_BITSIG_H
+#define _UCW_BITSIG_H
+
 struct bitsig;
 
 struct bitsig *bitsig_init(uns perrlog, uns maxn);
 void bitsig_free(struct bitsig *b);
 int bitsig_member(struct bitsig *b, byte *item);
 int bitsig_insert(struct bitsig *b, byte *item);
+
+#endif