Add public header file

Author: mrkn

ext/pycall/pycall.c

@@ -1,4 +1,5 @@
 #include "pycall_internal.h"
+#include "pycall.h"
 #include <ruby/encoding.h>
 
 #include <stdarg.h>

ext/pycall/pycall.h

@@ -0,0 +1,21 @@
+#ifndef PYCALL_H
+#define PYCALL_H 1
+
+#if defined(__cplusplus)
+extern "C" {
+#if 0
+} /* satisfy cc-mode */
+#endif
+#endif
+
+VALUE pycall_pyptr_new(PyObject *pyobj);
+PyObject *pycall_pyptr_get_pyobj_ptr(VALUE pyptr);
+
+#if defined(__cplusplus)
+#if 0
+{ /* satisfy cc-mode */
+#endif
+} /* extern "C" { */
+#endif
+
+#endif /* PYCALL_H */