0 votes 0 votes Whats is sizeof() mean? If it is a character how many bytes is needed? ranarajesh495 asked Oct 13, 2018 ranarajesh495 227 views answer comment Share Follow See 1 comment See all 1 1 comment reply vishalshrm539 commented Oct 13, 2018 reply Follow Share sizeof() is an operator that returns the size of a particular data type(e.g. int, char) in the system. sizeof(int) will return the size of int in Bytes. 0 votes 0 votes Please log in or register to add a comment.