Identify frSetWeaponFound and frIsWeaponFound

src/include/game/game_19c990.h

@@ -9,8 +9,8 @@ extern u8 var800888a0;
 bool ciIsTourDone(void);
 u8 ciGetFiringRangeScore(s32 weapon_id);
 u32 func0f19c9e4(void);
-bool func0f19cad4(u32 arg0);
-void func0f19cb38(s32 weaponnum);
+u32 frIsWeaponFound(s32 weapon);
+void frSetWeaponFound(s32 weaponnum);
 bool stageIsComplete(s32 solostageindex);
 u32 func0f19cbcc(void);
 bool frWeaponIsAvailable(s32 weapon);

src/include/types.h

@@ -3753,7 +3753,7 @@ struct savefile_solo {
 	/*0x20*/ u16 besttimes[NUM_SOLOSTAGES][3];
 	/*0xa0*/ s32 coopcompletions[3];
 	/*0xac*/ u8 firingrangescores[9];
-	/*0xb5*/ u8 unkb5[6];
+	/*0xb5*/ u8 weaponsfound[6];
 };
 
 struct propstate {