A common task for a program is to read data from a file. To read from a text file in C, you will need to open a file stream using the fopen() function. Once a file stream has been opened ...

However, we can use C’s static keyword to limit the scope of functions and data to a single file. When run on my Sun workstation this program produces the result e = 0.000000, instead of e = 2.718282.