...f data. It is safer to use select (2), poll (2), or epoll (7) to distinguish these cases. TIOCOUTQ ( SIOCOUTQ ) Returns the number of data bytes in the local send queue. Support…TCP protocol NAME tcp - TCP protocol SYNOPSIS #include <sys/socket.h> #include <netinet/in.h> #include <netinet/tcp.h> tcp_socket = socket(AF_INET, SOCK_STREAM, 0); DESCRIPTION Thi…