Subj : Re: RAND_MAX To : borland.public.cpp.borlandcpp From : Ed Mulroy [TeamB] Date : Thu Jul 22 2004 12:20 pm The U means unsigned. In Borland C++ integral literal constants are signed unless they end in a U (or u). .. Ed > Dparker wrote in message > news:40ffd20a@newsgroups.borland.com... > > In stdlib.h RAND_MAX is defined as follows: > #define RAND_MAX 0x7FFFU. > > What is the significance of the "U"? .