-int rrd_parse_find_gf (char *, unsigned int *, graph_desc_t *);
-int rrd_parse_legend (char *, unsigned int *, graph_desc_t *);
-int rrd_parse_color (char *, graph_desc_t *);
-int rrd_parse_CF (char *, unsigned int *, graph_desc_t *, enum cf_en *);
-int rrd_parse_print (char *, unsigned int *, graph_desc_t *, image_desc_t *);
-int rrd_parse_shift (char *, unsigned int *, graph_desc_t *, image_desc_t *);
-int rrd_parse_xport (char *, unsigned int *, graph_desc_t *, image_desc_t *);
-int rrd_parse_PVHLAST (char *, unsigned int *, graph_desc_t *, image_desc_t *);
-int rrd_parse_vname (char *, unsigned int *, graph_desc_t *, image_desc_t *);
-int rrd_parse_def (char *, unsigned int *, graph_desc_t *, image_desc_t *);
-int rrd_parse_vdef (char *, unsigned int *, graph_desc_t *, image_desc_t *);
-int rrd_parse_cdef (char *, unsigned int *, graph_desc_t *, image_desc_t *);
+int rrd_parse_find_gf (const char * const, unsigned int *const, graph_desc_t *const);
+int rrd_parse_legend (const char * const, unsigned int *const, graph_desc_t *const);
+int rrd_parse_color (const char * const, graph_desc_t *const);
+int rrd_parse_CF (const char * const, unsigned int *const, graph_desc_t *const, enum cf_en *const);
+int rrd_parse_print (const char * const, unsigned int *const, graph_desc_t *const, image_desc_t *const);
+int rrd_parse_shift (const char * const, unsigned int *const, graph_desc_t *const, image_desc_t *const);
+int rrd_parse_xport (const char * const, unsigned int *const, graph_desc_t *const, image_desc_t *const);
+int rrd_parse_PVHLAST (const char * const, unsigned int *const, graph_desc_t *const, image_desc_t *const);
+int rrd_parse_make_vname (const char * const, unsigned int *const, graph_desc_t *const, image_desc_t *const);
+int rrd_parse_find_vname (const char * const, unsigned int *const, graph_desc_t *const, image_desc_t *const);
+int rrd_parse_def (const char * const, unsigned int *const, graph_desc_t *const, image_desc_t *const);
+int rrd_parse_vdef (const char * const, unsigned int *const, graph_desc_t *const, image_desc_t *const);
+int rrd_parse_cdef (const char * const, unsigned int *const, graph_desc_t *const, image_desc_t *const);