1 files changed, 4 insertions, 3 deletions
diff --git a/dln.h b/dln.h
index 7af1f63a9d..b9b7a67eab 100644
--- a/dln.h
+++ b/dln.h
@@ -14,17 +14,18 @@
 #ifndef _
 #ifndef __STDC__
 # define _(args) ()
+# define const
 #else
 # define _(args) args
 #endif
 #endif
 
-char *dln_find_exe _((char*,char*));
-char *dln_find_file _((char*,char*));
+char *dln_find_exe _((const char*,const char*));
+char *dln_find_file _((const char*,const char*));
 
 #ifdef USE_DLN_A_OUT
 extern char *dln_argv0;
 #endif
 
-void dln_load _((char*));
+void dln_load _((const char*));
 #endif