diff -bur clamav-0.90.orig/libclamav/clamav.h clamav-0.90/libclamav/clamav.h
--- clamav-0.90.orig/libclamav/clamav.h	2007-02-25 11:56:29.000000000 +0100
+++ clamav-0.90/libclamav/clamav.h	2007-02-25 11:57:42.000000000 +0100
@@ -234,6 +234,7 @@
 /* database handling */
 extern int cl_load(const char *path, struct cl_engine **engine, unsigned int *signo, unsigned int options);
 extern const char *cl_retdbdir(void);
+extern int cl_loaddbdir(const char *dirname, struct cl_engine **engine, unsigned int *signo);
 
 /* engine handling */
 extern int cl_build(struct cl_engine *engine);