Expose lsl_library_info()

Author: tstenner

LSL.cs

@@ -98,6 +98,9 @@ public enum processing_options_t : byte
     */
     public static int protocol_version() { return dll.lsl_protocol_version(); }
 
+    /// String describing the library, e.g. build configuration, git commit hash / branch, debug information…
+    public static string library_info() { return Marshal.PtrToStringAnsi(dll.lsl_library_info()); }
+
     /**
     * Version of the liblsl library.
     * The major version is library_version() / 100;
@@ -889,6 +892,9 @@ class dll
         [DllImport(libname, CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi, ExactSpelling = true)]
         public static extern int lsl_protocol_version();
 
+        [DllImport(libname, CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi, ExactSpelling = true)]
+        public static extern IntPtr lsl_library_info();
+
         [DllImport(libname, CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi, ExactSpelling = true)]
         public static extern int lsl_library_version();