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-rw-r--r--lib/cmpbuf.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/cmpbuf.h b/lib/cmpbuf.h
index 2296766..c19c2bb 100644
--- a/lib/cmpbuf.h
+++ b/lib/cmpbuf.h
@@ -16,4 +16,4 @@
along with this program. If not, see <http://www.gnu.org/licenses/>. */
size_t block_read (int, char *, size_t);
-size_t buffer_lcm (size_t, size_t, size_t);
+size_t buffer_lcm (size_t, size_t, size_t) _GL_ATTRIBUTE_CONST;