mark functions with const and pure attributes

[gnulib.git] / lib / memcasecmp.h

diff --git a/lib/memcasecmp.h b/lib/memcasecmp.h
index d2e14ac..502b856 100644 (file)
--- a/lib/memcasecmp.h
+++ b/lib/memcasecmp.h
@@ -19,4 +19,4 @@
 
 #include <stddef.h>
 
-int memcasecmp (const void *vs1, const void *vs2, size_t n);
+int memcasecmp (const void *vs1, const void *vs2, size_t n) _GL_ATTRIBUTE_PURE;