Index: uspace/lib/c/include/str.h
===================================================================
--- uspace/lib/c/include/str.h	(revision 61e29a4d8efba82fa65ab85c056b80f308ccfb5b)
+++ uspace/lib/c/include/str.h	(revision 5dfb19482c59f04ce3ccc5116d4f9d6562eac9bf)
@@ -80,4 +80,6 @@
 extern char *str_chr(const char *str, wchar_t ch);
 extern char *str_rchr(const char *str, wchar_t ch);
+extern wchar_t *wstr_chr(const wchar_t *wstr, wchar_t ch);
+extern wchar_t *wstr_rchr(const wchar_t *wstr, wchar_t ch);
 
 extern bool wstr_linsert(wchar_t *str, wchar_t ch, size_t pos, size_t max_pos);
@@ -86,4 +88,7 @@
 extern char *str_dup(const char *);
 extern char *str_ndup(const char *, size_t max_size);
+
+extern void str_reverse(char* begin, char* end);
+extern int size_t_str(size_t value, int base, char* str, size_t size);
 
 extern int str_uint64(const char *, char **, unsigned int, bool, uint64_t *);