Why does the linker tell me that all the graphics library routines are undefined? The Options/Linker/Graphics Library item must be set ON, if you are using any Turbo C graphics functions and have not specifyed GRAPHICS.LIB in a project file. Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+ Learn More Multiple Choice Question :With zeromq of PUB / SUB network model expansion python loggingC++ Recursive perfectionist array analysisBulk text replaces + shell script to change the file nameC++ UDP ClientC++ socket client side PHP Intercept robot