varnamc CLI utility in C

[subins2000]

http://savannah.nongnu.org/bugs/?40807

Implemented options :

❯ ./varnamc --help
Usage: varnamc [OPTION...] 
an Indic language transliteration library

  -a, --train=PATTERN=WORD   Train the given text
  -d, --details[=]           Detailed transliteration output. Use with
                             --transliterate
  -e, --export-full=FILE     Export words and patterns to the specified
                             directory
  -f, --learn-from=FILE      Reads from the specified file
  -i, --import-learnings-from=FILE
                             Import learned data from the specified file
  -n, --learn=TEXT           Learn the given text
  -r, --reverse-transliterate=TEXT
                             Reverse transliterate the given text
  -s, --symbols=VALUE        Sets the symbols file
  -t, --transliterate=TEXT   Transliterate the given text
  -?, --help                 Give this help list
      --usage                Give a short usage message
  -v, --version[=]           Display version