/*
 * $Log: dummy.c,v $
 * Revision 1.6  2002/02/04 15:04:48  host8
 * Added '$Id/Log: $' keyword substitution for simple identification version of file.
 *
 */

#include <stdio.h>

#define BUFSIZE	8000

int print_to_stdout(char *s);
int print_to_stderr(char *s);
int print_to_both(char *s);
int write_stream_statistics(FILE *stream, FILE *to_stream);

int main(void) {
	char buf[BUFSIZE];

	//setvbuf(stdout, NULL, _IONBF, 0);
	//setbuf(stdout, NULL);

	fputs("Statisctics for stdout:\n", stderr);
	write_stream_statistics(stdout, stderr);
	fputs("Statisctics for stdout:\n", stderr);
	write_stream_statistics(stderr, stderr);

	while (fgets(buf, BUFSIZE - 1, stdin) != NULL) {
		if (print_to_both(buf)) {
			print_to_both("print_to_both() error\n");
			return 1;
		}

		/* fflush(stdout); */
	}

	return 0;
}

int print_to_stdout(char *s)
{
	return fputs("stdout: ", stdout) == EOF
		|| fputs(s, stdout) == EOF;
}

int print_to_stderr(char *s)
{
	return fputs("stderr: ", stderr) == EOF
		|| fputs(s, stderr) == EOF;
}

int print_to_both(char *s)
{
	return print_to_stdout(s)
		|| print_to_stderr(s);
}

int write_stream_statistics(FILE *stream, FILE *to_stream)
{
	fprintf(to_stream, "_fileno = %d\n", stream->_fileno);
	fprintf(to_stream, "_flags = %d\n", stream->_flags);
	fprintf(to_stream, "_IO_read_ptr = %p, _IO_read_base = %p, _IO_read_end = %p, diff = %d\n",
			stream->_IO_read_ptr, stream->_IO_read_end, stream->_IO_read_base,
			stream->_IO_read_end - stream->_IO_read_base);
	fprintf(to_stream, "_IO_write_ptr = %p, _IO_write_base = %p, _IO_write_end = %p, diff = %d\n",
			stream->_IO_write_ptr, stream->_IO_write_end, stream->_IO_write_base,
			stream->_IO_write_end - stream->_IO_write_base);
	fprintf(to_stream, "_IO_buf_base = %p, _IO_buf_end = %p, diff = %d\n",
			stream->_IO_buf_end, stream->_IO_buf_base,
			stream->_IO_buf_end - stream->_IO_buf_base);
	fprintf(to_stream, "_IO_backup_base = %p, _IO_save_base = %p, _IO_save_end = %p, diff = %d\n",
			stream->_IO_backup_base, stream->_IO_save_end, stream->_IO_save_base,
			stream->_IO_save_end - stream->_IO_save_base);

	return 0;
}