Shulou(Shulou.com)06/02 Report--

Background: These functions were meant to be discussed later, but suddenly interest came, so let's look at some of them first.

Profile: divided into three categories

1.1 Function for creating file descriptors, pipe,dup/dup2

1.2 readv/writev,sendfile,mmap/munmap,splice,tee functions

1.3 Function to control I/O behavior and attributes, fcntl

Let's start with this.

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