char *base_name(const char *file_name);
char *abs_file_name(const char *dir, const char *file_name);
-char *xreadlink(const char *filename);
char *follow_symlinks(const char *filename);
void ignore(bool x OVS_UNUSED);
#ifdef _WIN32
\f
+char *ovs_format_message(int error);
char *ovs_lasterror_to_string(void);
#endif