https://bugs.gentoo.org/874570
--- a/src/geki3.h
+++ b/src/geki3.h
@@ -11,2 +11,4 @@
 #include <stdlib.h>
+#include <string.h>
+#include <time.h>
 #include <sys/types.h>
--- a/src/load.h
+++ b/src/load.h
@@ -11,2 +11,3 @@
 void LoadStageData(void);
+void UnLoadStageData(void);
 
--- a/src/your.h
+++ b/src/your.h
@@ -14,2 +14,4 @@
 		     speed, Uint8 sel);
+void CreateEnemyBomb(Sint16 x, Sint16 y, Uint16 direction, Uint16 speed);
+void CreateMissile(CharacterData *my, Sint16 x, Sint16 y);