Index: uspace/lib/c/include/str.h
===================================================================
--- uspace/lib/c/include/str.h	(revision 9904eb90403c954baeba44936b6c146c62a3563d)
+++ uspace/lib/c/include/str.h	(revision 6e3b052d97f39ce95b84f7498e9fce932bc1bff7)
@@ -79,4 +79,6 @@
 extern int str_lcmp(const char *s1, const char *s2, size_t max_len);
 
+extern bool str_test_prefix(const char *s, const char *p);
+
 extern void str_cpy(char *dest, size_t size, const char *src);
 extern void str_ncpy(char *dest, size_t size, const char *src, size_t n);