###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_GetDisplayName Get the name of a display in UTF-8 encoding. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_video.h) ## Syntax ```c const char * SDL_GetDisplayName(SDL_DisplayID displayID); ``` ## Function Parameters | | | | | ------------------------------ | ------------- | ---------------------------------------- | | [SDL_DisplayID](SDL_DisplayID) | **displayID** | the instance ID of the display to query. | ## Return Value (const char *) Returns the name of a display or NULL on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Thread Safety This function should only be called on the main thread. ## Version This function is available since SDL 3.1.3. ## Code Examples ```c // Example program // Use SDL3 to log the name of every display found #include #include #include int main(int argc, char** argv) { if (!SDL_Init(SDL_INIT_VIDEO)) { SDL_Log("Unable to initialize SDL: %s", SDL_GetError()); return 0; } int num_displays; SDL_DisplayID *displays = SDL_GetDisplays(&num_displays); for(int i = 0; i < num_displays; i++) { SDL_Log("Found display named '%s'", SDL_GetDisplayName(displays[i])); } SDL_free(displays); return 0; } ``` ## See Also - [SDL_GetDisplays](SDL_GetDisplays) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryVideo](CategoryVideo)