2 files changed, 61 insertions, 0 deletions
diff --git a/src/drv/stderr/private_include/drv/stderr/ops.h b/src/drv/stderr/private_include/drv/stderr/ops.h
new file mode 100644
index 0000000..a265b15
--- /dev/null
+++ b/src/drv/stderr/private_include/drv/stderr/ops.h
@@ -0,0 +1,29 @@
+/*
+ * wnix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_STDERR_OPS_H
+#define DRV_STDERR_OPS_H
+
+#include <drv/event.h>
+#include <drv/stderr/types.h>
+#include <stddef.h>
+
+int drv_stderr_write(struct drv_port *p, const void *buf, size_t n,
+    const struct drv_event_done *done);
+
+#endif
diff --git a/src/drv/stderr/private_include/drv/stderr/types.h b/src/drv/stderr/private_include/drv/stderr/types.h
new file mode 100644
index 0000000..196568c
--- /dev/null
+++ b/src/drv/stderr/private_include/drv/stderr/types.h
@@ -0,0 +1,32 @@
+/*
+ * wnix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_STDERR_TYPES_H
+#define DRV_STDERR_TYPES_H
+
+#include <drv/event.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+struct drv_port
+{
+    bool init;
+    struct drv_event ev;
+};
+
+#endif