buffer. This buffer acts like a temporary buffer where datas which has to be
read during the next read IO call are put. This is useful when you get a big
block of data which you didn't want to read: you can replace them at the top
buffer. This buffer acts like a temporary buffer where datas which has to be
read during the next read IO call are put. This is useful when you get a big
block of data which you didn't want to read: you can replace them at the top