sdl_numjoysticks(3) - Linux man page
Name
SDL_NumJoysticks - Count available joysticks.Synopsis
#include "SDL.h"
int SDL_NumJoysticks(void);
Description
Counts the number of joysticks attached to the system.
Return Value
Returns the number of attached joysticks
See Also
SDL_JoystickName, SDL_JoystickOpen