Gwenhywfar is a base library used to provide OS abstraction functions
for Linux, FreeBSD, OpenBSD, NetBSD, and Windows. It also includes some
often needed functions (for example, handling and parsing of
configuration files, reading and writingof XML files, and interprocess
communication). It is used by OpenHBCI2,Libchipcard2, Simthetic,
AqBanking, and QBankManager.