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#include <sys/types.h> #include <sys/param.h> #include <sys/socket.h> #include <netinet/in.h> #include <unistd.h> #include "ndelay.h" #include "socket.h" int socket_tcp(void) { int s; s = socket(AF_INET,SOCK_STREAM,0); if (s == -1) return -1; if (ndelay_on(s) == -1) { close(s); return -1; } return s; }