user/libc: prepare for OpenED port

3 files changed, 24 insertions, 0 deletions

diff --git a/src/user/lib/include/sys/ioctl.h b/src/user/lib/include/sys/ioctl.h
new file mode 100644
index 0000000..708bc3f
--- /dev/null
+++ b/src/user/lib/include/sys/ioctl.h
@@ -0,0 +1,13 @@
+#pragma once
+#include <errno.h> // only for ENOSYS
+
+#define TIOCGWINSZ 0
+struct winsize {
+	int ws_row, ws_col;
+};
+
+static inline int ioctl(int fd, int req, ...) {
+	(void)fd; (void)req;
+	errno = ENOSYS;
+	return -1;
+}
diff --git a/src/user/lib/include/sys/stat.h b/src/user/lib/include/sys/stat.h
new file mode 100644
index 0000000..a954c9b
--- /dev/null
+++ b/src/user/lib/include/sys/stat.h
@@ -0,0 +1,11 @@
+#pragma once
+#include <errno.h> // only for ENOSYS
+
+#define S_ISFIFO(x) 0
+
+struct stat {};
+static inline int fstat(int fd, struct stat *sb) {
+	(void)fd; (void)sb;
+	errno = ENOSYS;
+	return -1;
+}
diff --git a/src/user/lib/include/sys/wait.h b/src/user/lib/include/sys/wait.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/user/lib/include/sys/wait.h