#define RETRO_ENVIRONMENT_EXPERIMENTAL 0x10000

#define RETRO_ENVIRONMENT_PRIVATE 0x20000

#define RETRO_ENVIRONMENT_SET_ROTATION  1  
#define RETRO_ENVIRONMENT_GET_OVERSCAN  2  
#define RETRO_ENVIRONMENT_GET_CAN_DUPE  3  

#define RETRO_ENVIRONMENT_SET_MESSAGE   6  
#define RETRO_ENVIRONMENT_SHUTDOWN      7  
#define RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL 8

#define RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY 9

#define RETRO_ENVIRONMENT_SET_PIXEL_FORMAT 10

#define RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS 11

#define RETRO_ENVIRONMENT_SET_KEYBOARD_CALLBACK 12

#define RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE 13

#define RETRO_ENVIRONMENT_SET_HW_RENDER 14

#define RETRO_ENVIRONMENT_GET_VARIABLE 15

#define RETRO_ENVIRONMENT_SET_VARIABLES 16

#define RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE 17

#define RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME 18

#define RETRO_ENVIRONMENT_GET_LIBRETRO_PATH 19

#define RETRO_ENVIRONMENT_SET_FRAME_TIME_CALLBACK 21

#define RETRO_ENVIRONMENT_SET_AUDIO_CALLBACK 22

#define RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE 23

#define RETRO_ENVIRONMENT_GET_INPUT_DEVICE_CAPABILITIES 24

#define RETRO_ENVIRONMENT_GET_SENSOR_INTERFACE (25 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65561
 
#define RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE (26 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65562

#define RETRO_ENVIRONMENT_GET_LOG_INTERFACE 27

#define RETRO_ENVIRONMENT_GET_PERF_INTERFACE 28

#define RETRO_ENVIRONMENT_GET_LOCATION_INTERFACE 29

#define RETRO_ENVIRONMENT_GET_CONTENT_DIRECTORY 30 
#define RETRO_ENVIRONMENT_GET_CORE_ASSETS_DIRECTORY 30

#define RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY 31

#define RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO 32

#define RETRO_ENVIRONMENT_SET_PROC_ADDRESS_CALLBACK 33

#define RETRO_ENVIRONMENT_SET_SUBSYSTEM_INFO 34

#define RETRO_ENVIRONMENT_SET_CONTROLLER_INFO 35

#define RETRO_ENVIRONMENT_SET_MEMORY_MAPS (36 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65572

#define RETRO_ENVIRONMENT_SET_GEOMETRY 37

#define RETRO_ENVIRONMENT_GET_USERNAME 38

#define RETRO_ENVIRONMENT_GET_LANGUAGE 39

#define RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER (40 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65576

#define RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE (41 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65577

#define RETRO_ENVIRONMENT_SET_SUPPORT_ACHIEVEMENTS (42 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65578

#define RETRO_ENVIRONMENT_SET_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE (43 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65579

#define RETRO_ENVIRONMENT_SET_SERIALIZATION_QUIRKS 44

#define RETRO_ENVIRONMENT_SET_HW_SHARED_CONTEXT (44 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65580

#define RETRO_ENVIRONMENT_GET_VFS_INTERFACE (45 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65581

#define RETRO_ENVIRONMENT_GET_LED_INTERFACE (46 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65582
 
#define RETRO_ENVIRONMENT_GET_AUDIO_VIDEO_ENABLE (47 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65583

#define RETRO_ENVIRONMENT_GET_MIDI_INTERFACE (48 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65584

#define RETRO_ENVIRONMENT_GET_FASTFORWARDING (49 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65585

#define RETRO_ENVIRONMENT_GET_TARGET_REFRESH_RATE (50 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65586

#define RETRO_ENVIRONMENT_GET_INPUT_BITMASKS (51 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65587

#define RETRO_ENVIRONMENT_GET_CORE_OPTIONS_VERSION 52

#define RETRO_ENVIRONMENT_SET_CORE_OPTIONS 53

#define RETRO_ENVIRONMENT_SET_CORE_OPTIONS_INTL 54

#define RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY 55

#define RETRO_ENVIRONMENT_GET_PREFERRED_HW_RENDER 56

#define RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION 57

#define RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE 58

#define RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION 59

#define RETRO_ENVIRONMENT_SET_MESSAGE_EXT 60

#define RETRO_ENVIRONMENT_GET_INPUT_MAX_USERS 61

#define RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK 62

#define RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY 63

#define RETRO_ENVIRONMENT_SET_FASTFORWARDING_OVERRIDE 64

#define RETRO_ENVIRONMENT_SET_CONTENT_INFO_OVERRIDE 65

#define RETRO_ENVIRONMENT_GET_GAME_INFO_EXT 66

#define RETRO_ENVIRONMENT_SET_CORE_OPTIONS_V2 67

#define RETRO_ENVIRONMENT_SET_CORE_OPTIONS_V2_INTL 68

#define RETRO_ENVIRONMENT_SET_CORE_OPTIONS_UPDATE_DISPLAY_CALLBACK 69

#define RETRO_ENVIRONMENT_SET_VARIABLE 70

#define RETRO_ENVIRONMENT_GET_THROTTLE_STATE (71 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65607

#define RETRO_ENVIRONMENT_GET_SAVESTATE_CONTEXT (72 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65608

#define RETRO_ENVIRONMENT_GET_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_SUPPORT (73 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65609

#define RETRO_ENVIRONMENT_GET_JIT_CAPABLE 74

#define RETRO_ENVIRONMENT_GET_MICROPHONE_INTERFACE (75 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65611

#define RETRO_ENVIRONMENT_SET_NETPACKET_INTERFACE 76

#define RETRO_ENVIRONMENT_GET_DEVICE_POWER (77 | RETRO_ENVIRONMENT_EXPERIMENTAL) 65613