Implementation of the Base64 encoding and decoding in C.
git clone https://github.com/ivartj/base64
cd base64
autoreconf --install
./configure
make all install clean
base64 [ -o <output-file> ] [ -r | --reverse ] [ <input-file> ]
Be aware that the last newline in the input is also encoded, so if you may want
to use the Unix echo command with the -n option to suppress the usual last
newline.