Index: uspace/lib/c/include/io/log.h
===================================================================
--- uspace/lib/c/include/io/log.h	(revision 1c67b414600c56792079a7c6f1384f7977abcb71)
+++ uspace/lib/c/include/io/log.h	(revision eab3d0480f33fbfac5b74bb7b810c256b8cb688d)
@@ -51,4 +51,5 @@
 
 extern const char *log_level_str(log_level_t);
+extern int log_level_from_str(const char *, log_level_t *);
 
 extern bool __log_shall_record(log_level_t);