Convert HTPasswd code from Go to C

authservice/mqhtpass/src/htpass.h

@@ -0,0 +1,23 @@
+/*
+© Copyright IBM Corporation 2020
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#ifndef _HTPASS_H
+#define _HTPASS_H
+
+_Bool htpass_authenticate_user(char *, char *, char *);
+_Bool htpass_valid_user(char *, char *);
+
+#endif