/*
 * Fget and fput transmit variable blocks of data to and from a file
 */

#include	<stdio.h>

int
fget(buffer, length, fd)
char		*buffer;		/* To where			*/
int		length;			/* maximum length		*/
FILE		*fd;			/* Which file			*/
{
	int		actual;

	if (fread(&actual, sizeof (int), 1, fd) != 1)
		return (0);
	if (actual > length)
		actual = length;
	return(fread(buffer, sizeof (char), actual, fd) * sizeof (char));
}

int
fput(buffer, length, fd)
char		*buffer;		/* From where			*/
int		length;			/* How many bytes		*/
FILE		*fd;			/* Which file			*/
{
	fwrite(&length, sizeof (int), 1, fd);
	return (fwrite(buffer, sizeof (char), length, fd));
}