Charles Barry <charlesawake@xxxxxxxxx> writes: > I'm having some trouble when i try to compile the Blowfish C algorithm > source code. > Whenever i type this command: > gcc BLOWFISH.C > I get this result: > [charles@linux1 Blowfish]$ gcc BLOWFISH.C > /usr/lib/gcc/i386-redhat-linux/4.0.0/../../../crt1.o(.text+0x18): In > function `_start': > : undefined reference to `main' Do you have a function named 'main'? > However, when you specify to only compile and assemble and not link, > everything works smoothly. Except, I presume, that you can not run the program. Ian