Defines starting with `j' in src

• JOYBUTTON_1 src/inputdevice.c:60
• JOYBUTTON_2 src/inputdevice.c:61
• JOYBUTTON_3 src/inputdevice.c:62
• JOYBUTTON_CD32_BLUE src/inputdevice.c:69
• JOYBUTTON_CD32_FFW src/inputdevice.c:65
• JOYBUTTON_CD32_GREEN src/inputdevice.c:66
• JOYBUTTON_CD32_PLAY src/inputdevice.c:63
• JOYBUTTON_CD32_RED src/inputdevice.c:68
• JOYBUTTON_CD32_RWD src/inputdevice.c:64
• JOYBUTTON_CD32_YELLOW src/inputdevice.c:67