Lots of work on the build system

photon/libc/include/stdio.h

@@ -0,0 +1,30 @@
+#ifndef STDIO_H_
+#define STDIO_H_
+
+#include <sys/_fconst.h>
+
+#if defined(__FILENAME_MAX)
+#define FILENAME_MAX __FILENAME_MAX
+#else
+#define FILENAME_MAX 1024
+#endif
+
+#define SEEK_SET __SEEK_SET
+#define SEEK_CUR __SEEK_CUR
+#define SEEK_END __SEEK_END
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+typedef struct __io_file FILE;
+
+extern FILE *stdin;
+extern FILE *stdout;
+extern FILE *stderr;
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif