neon is an HTTP and WebDAV client library, with a C interface. Features:\\ \\ - High-level wrappers for common HTTP and WebDAV operations (GET, MOVE, DELETE, etc)\\ - Low-level interface to the HTTP request/response engine, allowing the use of arbitrary HTTP methods, headers, etc.\\ - Authentication support including Basic and Digest support, along with GSSAPI-based Negotiate on Unix, and\\ SSPI-based Negotiate/NTLM on Win32\\ - SSL/TLS support using OpenSSL or GnuTLS; exposing an abstraction layer for verifying server certificates, handling client\\ certificates, and examining certificate properties. Smartcard-based client certificates are also supported via a\\ PKCS11 wrapper interface.\\ - Abstract interface to parsing XML using libxml2 or expat, and wrappers for simplifying handling XML HTTP response bodies\\ - WebDAV metadata support; wrappers for PROPFIND and PROPPATCH to simplify property manipulation.\\ \\