include: Add sperror.h.

include/Makefile.in

@@ -618,6 +618,7 @@ HEADER_SRCS = \
 	slpublic.h \
 	snmp.h \
 	softpub.h \
+	sperror.h \
 	sql.h \
 	sqlext.h \
 	sqltypes.h \

include/sperror.h

+/*
+ * Speech API (SAPI) Errors.
+ *
+ * Copyright (C) 2017 Huw Davies
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef SPError_h
+#define SPError_h
+
+#include <winerror.h>
+
+#define SPERR_UNINITIALIZED                0x80045001
+#define SPERR_ALREADY_INITIALIZED          0x80045002
+#define SPERR_NOT_FOUND                    0x8004503a
+#define SPERR_INVALID_REGISTRY_KEY         0x80045040
+
+#endif /* SPError_h */