Added the C include header file

Author: anandkaranubc

lib/node_modules/@stdlib/stats/base/dists/arcsine/skewness/include/stdlib/stats/base/dists/arcsine/skewness.h

@@ -0,0 +1,42 @@
+/**
+ * @license Apache-2.0
+ *
+ * Copyright (c) 2024 The Stdlib Authors.
+ *
+ * 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 STDLIB_STATS_BASE_DISTS_ARCSINE_SKEWNESS_H
+#define STDLIB_STATS_BASE_DISTS_ARCSINE_SKEWNESS_H
+
+/*
+ * If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler.
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Returns the skewness of an arcsine distribution with minimum support `a` and maximum support `b`.
+ *
+ * @param a    minimum support
+ * @param b    maximum support
+ * @return     skewness of the distribution
+ */
+double stdlib_base_dists_arcsine_skewness( const double a, const double b );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // !STDLIB_STATS_BASE_DISTS_ARCSINE_SKEWNESS_H