GLFW_TRUE if the joystick is present, or GLFW_FALSE otherwise.
Errors: Possible errors include @ref GLFW_NOT_INITIALIZED, @ref GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR.
This function must only be called from the main thread.
@sa @ref joystick
Added in version 3.0. Replaces glfwGetJoystickParam.
Ingroup: input
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Returns whether the specified joystick is present.
This function returns whether the specified joystick is present.
There is no need to call this function before other functions that accept a joystick ID, as they all check for presence before performing any other work.