diff --git a/c/random.h b/c/random.h
new file mode 100644
index 0000000..3ac2cba
--- /dev/null
+++ b/c/random.h
@@ -0,0 +1,41 @@
+/*
+
+random.h - Function prototypes for a random-number generator supporting normal 
+distributions
+
+Copyright (C) 2014 Simon D. Levy
+
+
+This code 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 3 of the 
+License, or (at your option) any later version.
+
+This code 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 General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License 
+along with this code.  If not, see <http:#www.gnu.org/licenses/>.
+*/
+
+#ifdef __cplusplus 
+extern "C" {
+#endif
+
+/* Creates and initializes a new random-number generator */
+void * random_init(int seed);
+
+/* Make a copy of the specified random-number generator */
+void * random_copy(void * r);
+
+/* Deallocates memory for a random-number generator */
+void random_free(void * v);
+
+/* Returns a  standard normal variate with mean mu, variance sigma */
+double random_normal(void * v, double mu, double sigma);
+
+#ifdef __cplusplus 
+}
+#endif