+RTS_FUN(unpackClosurezh_fast);
+RTS_FUN(getApStackValzh_fast);
+
+RTS_FUN(noDuplicatezh_fast);
+
+/* Other misc stuff */
+// See wiki:Commentary/Compiler/Backends/PprC#Prototypes
+
+#if IN_STG_CODE && !IN_STGCRUN
+
+// Interpreter.c
+extern StgWord rts_stop_next_breakpoint[];
+extern StgWord rts_stop_on_exception[];
+extern StgWord rts_breakpoint_io_action[];
+
+// Schedule.c
+extern int RTS_VAR(context_switch);
+extern StgWord RTS_VAR(blocked_queue_hd), RTS_VAR(blocked_queue_tl);
+extern StgWord RTS_VAR(sleeping_queue);
+extern StgWord RTS_VAR(blackhole_queue);
+extern StgWord RTS_VAR(sched_mutex);
+
+// Apply.cmm
+// canned bitmap for each arg type
+extern StgWord stg_arg_bitmaps[];
+extern StgWord stg_ap_stack_entries[];
+extern StgWord stg_stack_save_entries[];
+
+// Storage.c
+extern unsigned int RTS_VAR(alloc_blocks);
+extern unsigned int RTS_VAR(alloc_blocks_lim);
+extern StgWord RTS_VAR(weak_ptr_list);
+extern StgWord RTS_VAR(atomic_modify_mutvar_mutex);
+
+// RtsFlags
+extern StgWord RTS_VAR(RtsFlags); // bogus type
+
+// Stable.c
+extern StgWord RTS_VAR(stable_ptr_table);
+
+// Profiling.c
+extern unsigned int RTS_VAR(era);
+extern StgWord RTS_VAR(CCCS); /* current CCS */
+extern unsigned int RTS_VAR(entering_PAP);
+extern StgWord RTS_VAR(CC_LIST); /* registered CC list */
+extern StgWord RTS_VAR(CCS_LIST); /* registered CCS list */
+extern unsigned int RTS_VAR(CC_ID); /* global ids */
+extern unsigned int RTS_VAR(CCS_ID);
+
+#endif
+