Compilare: user.cpp:11:93: warning: multi-character character constant [-Wmultichar] while(!( buf[pos]!='(' && buf[pos]!=')' && buf[pos]!=' ' && buf[pos]!='\n' && buf[pos]!=' ' )){pos++;if(pos>=bufsz){in.read(buf,bufsz);pos=0;}} ^ user.cpp:12:93: warning: multi-character character constant [-Wmultichar] while( buf[pos]!='(' && buf[pos]!=')' && buf[pos]!=' ' && buf[pos]!='\n' && buf[pos]!=' ' ){s+=buf[pos++];if(pos>=bufsz){in.read(buf,bufsz);pos=0;}} ^