> rap.c, line 310: warning: absolute pointer used > > if ( shmaddr EQ (char *) -1 ) { The compiler is trying to warn you, in a somewhat cryptic way, that casting any integer except the constant 0 into a pointer is a machine-dependent, unportable, and dangerous operation. -- Henry Spencer @ U of Toronto Zoology {allegra,ihnp4,decvax,pyramid}!utzoo!henry