grazie mille dell'aiuto!!

Ecco tutti gli errori ke mi dà!

progClient.c: In function 'main':
progClient.c:44: error: 'serveraddr' undeclared (first use in this function)
progClient.c:44: error: (Each undeclared identifier is reported only once
progClient.c:44: error: for each function it appears in.)
progClient.c:45: error: dereferencing pointer to incomplete type
progClient.c:90: error: incompatible types in assignment

/* Punto 5.*/
len = strlen(argv[3]);
write(sd, &len, sizeof(int));
N.value = value;

printf("value = %s\n", N.value);
N = strlen(msg); /* riga 90*/