1 files changed, 23 insertions, 0 deletions
diff --git a/src/user/lib/stdlib.h b/src/user/lib/stdlib.h
new file mode 100644
index 0000000..9bbcc5f
--- /dev/null
+++ b/src/user/lib/stdlib.h
@@ -0,0 +1,23 @@
+#pragma once
+#include <user/lib/malloc.h>
+#include <shared/mem.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+int printf(const char *fmt, ...);
+int snprintf(char *str, size_t len, const char *fmt, ...);
+
+int _klogf(const char *fmt, ...); // for kernel debugging only
+
+typedef struct {
+	int fd;
+	int pos;
+	bool eof;
+} libc_file;
+libc_file *file_open(const char *path, int flags);
+libc_file *file_reopen(libc_file*, const char *path, int flags);
+int file_read(libc_file*, char *buf, size_t len);
+int file_write(libc_file*, const char *buf, size_t len);
+void file_close(libc_file*);
+
+extern libc_file *stdin, *stdout;