total_read += len;
}
+unsigned char read_byte(int f)
+{
+ char c;
+ read_buf(f,&c,1);
+ return (unsigned char)c;
+}
int read_write(int fd_in,int fd_out,int size)
{
}
+void write_byte(int f,unsigned char c)
+{
+ write_buf(f,(char *)&c,1);
+}
+
void write_flush(int f)
{
}