當socket()中的“類型”為SOCK_DGRAM或SOCK_STREAM時,是否需要指定“協議”? [英]Do we need to specify “protocol” when “type” is SOCK_DGRAM or SOCK_STREAM in socket()?
Unix 域 SOCK_DGRAM 和 SOCK_SEQPACKET 的區別? [英]Difference between Unix domain SOCK_DGRAM and SOCK_SEQPACKET?