(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)![](/static_files/link.svg)
SDL_NumSensors
Count the number of sensors attached to the system right now.
Defined in SDL_sensor.h
Syntax![](/static_files/link.svg)
int SDL_NumSensors(void);
Return Value![](/static_files/link.svg)
(int) Returns the number of sensors detected.
Version![](/static_files/link.svg)
This function is available since SDL 2.0.9.
CategoryAPI, CategoryAPIFunction, CategorySensor