C-Implementation of CoAP - libraries API version 3

 Lightweight application-protocol for devices that are constrained their
 resources such as computing power, RF range, memory, bandwidth, or network
 packet sizes. This protocol, CoAP, is developed in the IETF working group
 "CoRE", <https://datatracker.ietf.org/wg/6lowapp/about/> and was
 standardized in RFC 7252.
 .
 The libcoap library v3 has DTLS functionality included based on TLS
 functions provided by GnuTLS or OpenSSL with enhanced behavior to the
 previous API version.
 .
 This package contains the various libcoap libraries based on API v3 with
 and without DTLS functionality.