void EZ_SetRadioButtonGroupVariableValue(EZ_Widget *rbutton, int value)
This function sets the value of the group variable of a radio button. It can be used to initialize the group variable for a group of radio buttons.
int EZ_GetRadioButtonGroupVariableValue(EZ_Widget *rbutton)
This function returns the value of the group variable of a radio button.
int EZ_GetRadioButtonGroupID(EZ_Widget *rbutton)
This function returns the group identifier of a radio button.