Elementary Socket Calls (contd)

• int recv (int sockfd, char *buff, int nbytes, int flags);

  • receive a message from the other end of connection (TCP)

• int recvfrom (int sockfd, char *buff, int nbytes, int flags, struct sockaddr *from, int addrlen);

  • receive message from any sender (UDP)

• int read (int fdesc, char *buff, int nbytes);

  • read (receive) the message (TCP)

• int write (int sockfd, char *buff, int nbytes);

  • write (send) the message (TCP)

• htons(), htonl(), ntohs(), ntohl()

  • translate between host and network byte orderings

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