Frage im Vorstellungsgespräch bei MediaTek

Second round asked about Intro, project,c,null pointers, void pointer, lenght of string without in built function, reverse the number, storage class in c like extern, register, auto, etc in which scenario we will use these classes.For Embedded c another person joined the call: again storage classes, bitwise operators, projects using embedded c and explanation, intreppts, RTOS