libcfg+ is a C library that features multi- command line and configuration file parsing. It is possible to set up various special properties such as quoting characters, deliminator strings, file comment prefixes, multi-line postfixes, and more. It supports many data types such as booleans, integers, decimal numbers, strings with many additional data type flags (such as multiple values for a single option). WWW: http://platon.sk/projects/libcfg+