Hi, everybody, Since I'm a beginner in C, please help me revise command.c to make it compile cleanly. I don't how much of that 503-line program you'll need to read, so I'm omitting it from this note. But if you'll estimate how much of it I should show you, I'll show you that much of it. By the way, I'm running the latest version of gcc on a Sunblade 100 workstation. Thanks so much for your help. Bill Script started on Sat 28 Apr 2007 12:30:11 PM EDT %cd source %gmake gcc -O2 -c -o command.o command.c command.c: In function 'c_interp': command.c:55: error: invalid lvalue in assignment command.c: In function 'c_condition': command.c:190: error: invalid lvalue in assignment command.c:194: error: invalid lvalue in assignment command.c: In function 'c_doall': command.c:215: warning: incompatible implicit declaration of built-in function 'strlen' gmake: *** [command.o] Error 1 %^Dexit script done on Sat 28 Apr 2007 12:30:35 PM EDT ________________________________________________________________ Please visit a saintly hero. http://www.jakemoore.org "Pro-choice?" Click here: http://www.abortionno.com/Resources/pictures.html