Bonsoir,
Je souhaite apprendre à utiliser les sockets, j'ai donc pris le seul tuto qui me paraisse potable : http://c.developpez.com/WalrusSock/

Etant donné que j'obtient de multiples erreures quand j'écris moi même le code j'ai essayé directement mettre le code final qu'il propose et résultats de la compilation :
Compilateur: Default compiler
Building Makefile: "C:\Dev-Cpp\socket\Makefile.win"
Exécution de make...
make.exe -f "C:\Dev-Cpp\socket\Makefile.win" all
g++.exe -c main.cpp -o main.o -I"C:/Dev-Cpp/lib/gcc/mingw32/3.4.2/include" -I"C:/Dev-Cpp/include/c++/3.4.2/backward" -I"C:/Dev-Cpp/include/c++/3.4.2/mingw32" -I"C:/Dev-Cpp/include/c++/3.4.2" -I"C:/Dev-Cpp/include" -lws2_32 -lwsock32

main.cpp:1:10: #include expects "FILENAME" or <FILENAME>
main.cpp:4: error: `main' must return `int'
main.cpp: In function `int main(...)':
main.cpp:5: error: `WSADATA' undeclared (first use this function)
main.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
main.cpp:5: error: expected `;' before "WSAData"
main.cpp:6: error: `MAKEWORD' undeclared (first use this function)

main.cpp:6: error: `WSAData' undeclared (first use this function)
main.cpp:6: error: `WSAStartup' undeclared (first use this function)
main.cpp:7: error: `SOCKET' undeclared (first use this function)
main.cpp:7: error: expected `;' before "sock"
main.cpp:8: error: `SOCKADDR_IN' undeclared (first use this function)
main.cpp:8: error: expected `;' before "sin"
main.cpp:11: error: `sock' undeclared (first use this function)

main.cpp:11: error: `AF_INET' undeclared (first use this function)
main.cpp:11: error: `SOCK_STREAM' undeclared (first use this function)
main.cpp:11: error: `socket' undeclared (first use this function)
main.cpp:12: error: `sin' undeclared (first use this function)
main.cpp:12: error: `inet_addr' undeclared (first use this function)
main.cpp:14: error: `htons' undeclared (first use this function)
main.cpp:15: error: `SOCKADDR' undeclared (first use this function)
main.cpp:15: error: expected primary-expression before ')' token
main.cpp:15: error: `connect' undeclared (first use this function)
main.cpp:16: error: `recv' undeclared (first use this function)
main.cpp:17: error: `closesocket' undeclared (first use this function)
main.cpp:18: error: `WSACleanup' undeclared (first use this function)

make.exe: *** [main.o] Error 1

Exécution terminée