continue simply skips the current iteration of the loop. Of course you don't wanna continue the process of responding to the client if part of this process failed.
do we have to call function "write" each time we respond to client?
Per the man pages of
write (section 2)
ssize_t write(int fd, const void *buf, size_t count);
write() writes up to count bytes from the buffer pointed buf to the
file referred to by the file descriptor fd.
In the distribution code, there are 3 arguments passed to
size). This basically means that
size bytes from
The first argument,
cfd, represents the file descriptor that represents the connection between your program (the web server) and your client (e.g., the browser, telnet, etc.). Execute
man 2 write in the terminal for more information about this function!