diff --git a/tecs/tecs_c.h b/tecs/tecs_c.h
new file mode 100644
index 00000000..92a06dca
--- /dev/null
+++ b/tecs/tecs_c.h
@@ -0,0 +1,8 @@
+/* prototypes for TASCOM */
+
+char *TecsCmd(char *cmd);
+char *TecsGet3(float *tset, float *texch, float *tsamp);
+char *TecsSet(float temp);
+char *TecsInit(char *host, int port);
+int TecsIsOpen(void);
+void TecsClose(void);