Those are all valid headers for gcc... Source code??? -brian On 11/12/08 3:37 PM, "Anna Sidera" <eep6sa1@xxxxxxxxx> wrote: > Hello, > > I wrote a program in lcc in windows and now I have to write it in gcc in unix. > In lcc the program works. It uses the following libraries. > > #include <stdio.h> > #include <math.h> > #include <stdlib.h> > #include <time.h> > > In gcc I run the program as follows > > gcc -lm program.c > > but I get > > segmentation fault (core dumped) > > Can you please advise me on this? > > Many Thanks > Anna