Yep, make 'em yourself
you make them yourself, but it's no big deal because there's no fancy syntax for them. you just write one command per line, and each of them will be executed when you log in. example:
setenv DISPLAY localhost:0.0
echo "You've logged on successfully!"
if this is the contents of your .cshrc file then everytime you open a c-shell, it will set the DISPLAY variable, print the message, start a firefox window in the background, and change the working directory. As you can see, the syntax is just the same as in the terminal.
enjoy customizing your computer!