Compiling the source code....
$g++ -std=c++11 main.cpp -o demo -lm -pthread -lgmpxx -lgmp -lreadline 2>&1
main.cpp: In function �int make_socket(char*, char*)�:
main.cpp:2:25: error: aggregate �make_socket(char*, char*)::addrinfo hints� has incomplete type and cannot be defined
         struct addrinfo hints, *servinfo, *p;
                         ^
main.cpp:5:40: error: �memset� was not declared in this scope
         memset(&hints, 0, sizeof(hints));
                                        ^
main.cpp:6:27: error: �AF_UNSPEC� was not declared in this scope
         hints.ai_family = AF_UNSPEC;
                           ^
main.cpp:7:29: error: �SOCK_STREAM� was not declared in this scope
         hints.ai_socktype = SOCK_STREAM;
                             ^
main.cpp:8:56: error: �getaddrinfo� was not declared in this scope
         if((r=getaddrinfo(host, port, &hints, &servinfo))!=0) {
                                                        ^
main.cpp:9:25: error: �stderr� was not declared in this scope
                 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(r));
                         ^
main.cpp:9:68: error: �gai_strerror� was not declared in this scope
                 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(r));
                                                                    ^
main.cpp:9:69: error: �fprintf� was not declared in this scope
                 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(r));
                                                                     ^
main.cpp:10:23: error: �exit� was not declared in this scope
                 exit(0);
                       ^
main.cpp:12:32: error: �NULL� was not declared in this scope
         for(p = servinfo; p != NULL; p = p->ai_next) {
                                ^
main.cpp:12:43: error: invalid use of incomplete type �struct make_socket(char*, char*)::addrinfo�
         for(p = servinfo; p != NULL; p = p->ai_next) {
                                           ^
main.cpp:2:16: error: forward declaration of �struct make_socket(char*, char*)::addrinfo�
         struct addrinfo hints, *servinfo, *p;
                ^
main.cpp:13:36: error: invalid use of incomplete type �struct make_socket(char*, char*)::addrinfo�
                 if((sock = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
                                    ^
main.cpp:2:16: error: forward declaration of �struct make_socket(char*, char*)::addrinfo�
         struct addrinfo hints, *servinfo, *p;
                ^
main.cpp:13:50: error: invalid use of incomplete type �struct make_socket(char*, char*)::addrinfo�
                 if((sock = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
                                                  ^
main.cpp:2:16: error: forward declaration of �struct make_socket(char*, char*)::addrinfo�
         struct addrinfo hints, *servinfo, *p;
                ^
main.cpp:13:66: error: invalid use of incomplete type �struct make_socket(char*, char*)::addrinfo�
                 if((sock = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
                                                                  ^
main.cpp:2:16: error: forward declaration of �struct make_socket(char*, char*)::addrinfo�
         struct addrinfo hints, *servinfo, *p;
                ^
main.cpp:13:79: error: �socket� was not declared in this scope
                 if((sock = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
                                                                               ^
main.cpp:16:35: error: invalid use of incomplete type �struct make_socket(char*, char*)::addrinfo�
                 if(connect(sock, p->ai_addr, p->ai_addrlen)==-1) {
                                   ^
main.cpp:2:16: error: forward declaration of �struct make_socket(char*, char*)::addrinfo�
         struct addrinfo hints, *servinfo, *p;
                ^
main.cpp:16:47: error: invalid use of incomplete type �struct make_socket(char*, char*)::addrinfo�
                 if(connect(sock, p->ai_addr, p->ai_addrlen)==-1) {
                                               ^
main.cpp:2:16: error: forward declaration of �struct make_socket(char*, char*)::addrinfo�
         struct addrinfo hints, *servinfo, *p;
                ^
main.cpp:16:59: error: �connect� was not declared in this scope
                 if(connect(sock, p->ai_addr, p->ai_addrlen)==-1) {
                                                           ^
main.cpp:17:35: error: �close� was not declared in this scope
                         close(sock);
                                   ^
main.cpp:22:17: error: �NULL� was not declared in this scope
         if(p == NULL) {
                 ^
main.cpp:24:46: error: �freeaddrinfo� was not declared in this scope
                         freeaddrinfo(servinfo);
                                              ^
main.cpp:25:25: error: �stderr� was not declared in this scope
                 fprintf(stderr, "No connection could be made\n");
                         ^
main.cpp:25:64: error: �fprintf� was not declared in this scope
                 fprintf(stderr, "No connection could be made\n");
                                                                ^
main.cpp:26:23: error: �exit� was not declared in this scope
                 exit(0);
                       ^
main.cpp:29:38: error: �freeaddrinfo� was not declared in this scope
                 freeaddrinfo(servinfo);
                                      ^
main.cpp:30:17: error: �stderr� was not declared in this scope
         fprintf(stderr, "[Connected -> %s:%s]\n", host, port);
                 ^
main.cpp:30:61: error: �fprintf� was not declared in this scope
         fprintf(stderr, "[Connected -> %s:%s]\n", host, port);
                                                             ^
main.cpp: In function �void attack(char*, char*, int)�:
main.cpp:46:16: error: �SIGPIPE� was not declared in this scope
         signal(SIGPIPE, &broke);
                ^
main.cpp:46:31: error: �signal� was not declared in this scope
         signal(SIGPIPE, &broke);
                               ^
main.cpp:51:52: error: �write� was not declared in this scope
                         r=write(sockets[x], "\0", 1);
                                                    ^
main.cpp:53:49: error: �close� was not declared in this scope
                                 close(sockets[x]);
                                                 ^
main.cpp:57:33: error: �stderr� was not declared in this scope
                         fprintf(stderr, "[%i: Voly Sent]\n", id);
                                 ^
main.cpp:57:64: error: �fprintf� was not declared in this scope
                         fprintf(stderr, "[%i: Voly Sent]\n", id);
                                                                ^
main.cpp:59:25: error: �stderr� was not declared in this scope
                 fprintf(stderr, "[%i: Voly Sent]\n", id);
                         ^
main.cpp:59:56: error: �fprintf� was not declared in this scope
                 fprintf(stderr, "[%i: Voly Sent]\n", id);
                                                        ^
main.cpp:60:30: error: �usleep� was not declared in this scope
                 usleep(300000);
                              ^
main.cpp: In function �void cycle_identity()�:
main.cpp:66:53: warning: deprecated conversion from string constant to �char*� [-Wwrite-strings]
         int socket = make_socket("localhost", "9050");
                                                     ^
main.cpp:66:53: warning: deprecated conversion from string constant to �char*� [-Wwrite-strings]
main.cpp:67:48: error: �write� was not declared in this scope
         write(socket, "AUTHENTICATE \"\"\n", 16);
                                                ^
main.cpp:70:25: error: �stderr� was not declared in this scope
                 fprintf(stderr, "[%i: cycle_identity -> signal NEWNYM\n", r);
                         ^
main.cpp:70:76: error: �fprintf� was not declared in this scope
                 fprintf(stderr, "[%i: cycle_identity -> signal NEWNYM\n", r);
                                                                            ^
main.cpp:71:30: error: �usleep� was not declared in this scope
                 usleep(300000);
                              ^
main.cpp: In function �int main(int, char**)�:
main.cpp:80:25: error: �fork� was not declared in this scope
                 if(fork())
                         ^
main.cpp:82:30: error: �usleep� was not declared in this scope
                 usleep(200000);
                              ^
main.cpp:84:14: error: �stdin� was not declared in this scope
         getc(stdin);
              ^
main.cpp:84:19: error: �getc� was not declared in this scope
         getc(stdin);
                   ^