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Writing the Program

UNIX expects you to store your program in a file whose name ends in .c This identifies it as a C program. The easiest way to enter your text is using a text editor like vi, emacs or xedit. To edit a file called testprog.c using vi type

vi testprog.c

The editor is also used to make subsequent changes to the program.
Tue Jan 17 11:40:37 GMT 1995