We have not recently done an exhaustive test of the C386 variant of the compiler. Therefore although we do not know of any problems, we advise you to initially use it with caution.
If you want the latest version of the C386 compiler, then we suggest that you download the Compiler source files and build yourself a version. You can build C386 using the ACK C compiler that comes with MINIX, or the GNU C compiler that comes with Linux.
N.B. We do not provide a set of software floating point routines for use with MINIX-386. Therefore you must either have hardware floating point or software floating point support built in at the operating system level if you want to use C386 to generate and run programs that use floating point code.