case SYS_sendto: return sys_sendto(a,b,c,d,e,f);
case SYS_recvfrom: return sys_recvfrom(a,b,c,d,e,f);
case SYS_select: return sys_select(a,b,c,d,e);
case SYS_sendto: return sys_sendto(a,b,c,d,e,f);
case SYS_recvfrom: return sys_recvfrom(a,b,c,d,e,f);
case SYS_select: return sys_select(a,b,c,d,e);