Initial commit of C API library

lib/runtime-c-api/wasmer.h

@@ -0,0 +1,24 @@
+#include <cstdarg>
+#include <cstdint>
+#include <cstdlib>
+
+enum class wasmer_compile_result_t {
+  WASMER_COMPILE_OK = 1,
+  WASMER_COMPILE_ERROR = 2,
+};
+
+struct wasmer_import_object_t;
+
+struct wasmer_instance_t;
+
+extern "C" {
+
+void wasmer_import_object_destroy(wasmer_import_object_t *import_object);
+
+wasmer_import_object_t *wasmer_import_object_new();
+
+wasmer_compile_result_t wasmer_instantiate(wasmer_instance_t *instance,
+                                           const char *bytes,
+                                           wasmer_import_object_t *import_object);
+
+} // extern "C"