client-server programming

[Gousios Georgios]

Geia sas
Ayth thn epoxh asxoloymai, logo panephsthmiou, me client server programming.
Exv tis parakato apories:

a)Mhpos yparxei kapia synarthsh san thn fflush pou na katharizei oti exei
"perisepsei" se ena socket meta apo read?
b)Yparxei tropos na kanoyme thn read na mhn "kollaei" se kapoio socket otan
den briskei dedomena?
c)Oi signal handlers (px signal(SIGCHLD,func)) prepei na kaloyntai synexos
se ena brogxo gia na doylepsoyn h apla ftanei na kleithoyn mia fora sthn
arxh kai tha pianoyn ta signals otan ayta emfanistoyn?

Kathe boithia kalodexoymenh
George