rt-thread/components/libc/compilers/minilibc/stdio.h

#ifndef __STDIO_H__
#define __STDIO_H__

#define BUFSIZ 128
#define EOF 	(-1)

#ifndef SEEK_SET
#define	SEEK_SET	0	/* set file offset to offset */
#endif
#ifndef SEEK_CUR
#define	SEEK_CUR	1	/* set file offset to current plus offset */
#endif
#ifndef SEEK_END
#define	SEEK_END	2	/* set file offset to EOF plus offset */
#endif

#endif