+/* Assign a linkdatas trg_set */\r
+void ir_linkdata_assign_set\r
+( struct ir_link_t* link, struct ir_set_t* set )\r
+{ link->trg_set = set; }\r
+\r
+/* Assign a linkdatas type */\r
+void ir_linkdata_assign_type\r
+( struct ir_link_t* link, ltype type; )\r
+{ link->type = type; }\r
+\r
+/* Get a setdata's next sibling */\r
+union ir_setdata_t* ir_setdata_nextsib\r
+( union ir_setdata_t* setdata )\r
+{ return setdata->header.nextsib; }\r
+\r
+/* Get a setdata's name */\r
+uint8_t* ir_setdata_name\r
+( union ir_setdata_t* setdata )\r
+{ return setdata->header.data_name; }\r
+\r
+/* Get a setdata's filename */\r
+uint8_t* ir_setdata_filename\r
+( union ir_setdata_t* setdata )\r
+{ return setdata->header.src_filename; }\r
+\r
+/* Get a setdata's file position */\r
+long ir_setdata_fpos\r
+( union ir_setdata_t* setdata )\r
+{ return setdata->header.filepos; }\r
+\r
+/* Set a setdata's file position */\r
+void ir_setdata_assign_fpos\r
+( union ir_setdata_t* setdata,\r
+ long newpos\r
+)\r
+{ setdata->header.filepos = newpos; }\r
+\r
+/* Assign a setdatas name */\r
+void ir_setdata_assign_name\r
+( union ir_setdata_t* setdata, uint8_t* name )\r
+{ setdata->header.data_name = name;}\r
+\r
+/* Return a framebox's specified framesheet */\r
+union ir_setdata_t* ir_framebox_framesheet\r
+( union ir_setdata_t* fbox,\r
+ apc_facing facing\r
+)\r
+{ if (fbox->header.type != FBDAT)\r
+ eprintf("Data %s is not a framebox\n", fbox->header.data_name);\r
+ return (union ir_setdata_t*) &fbox->framebox.framesheets[facing];\r
+}\r
+\r
+/* Return a framebox's specified mapsheet */\r
+union ir_setdata_t* ir_framebox_mapsheet\r
+( union ir_setdata_t* fbox,\r
+ apc_facing facing\r
+)\r
+{ if (fbox->header.type != FBDAT)\r
+ eprintf("Data %s is not a framebox\n", fbox->header.data_name);\r
+ return (union ir_setdata_t*) &fbox->framebox.mapsheets[facing];\r