1*164Seric /* 2*164Seric ** USEFUL.H -- Some useful stuff. 3*164Seric */ 4*164Seric 5*164Seric # define bool int 6*164Seric # define TRUE 1 7*164Seric # define FALSE 0 8*164Seric 9*164Seric # ifndef NULL 10*164Seric # define NULL 0 11*164Seric # endif NULL 12