\ environmental queries \ wordlist constant environment-wordlist Create environment-wordlist wordlist drop : environment? ( c-addr u -- false / ... true ) environment-wordlist search-wordlist if execute true else false endif ; environment-wordlist set-current get-order environment-wordlist swap 1+ set-order \ assumes that chars, cells and doubles use an integral number of aus \ this should be computed in C as CHAR_BITS/sizeof(char), \ but I don't know any machine with gcc where an au does not have 8 bits. 8 constant ADDRESS-UNIT-BITS 1 ADDRESS-UNIT-BITS chars lshift 1- constant MAX-CHAR MAX-CHAR constant /COUNTED-STRING ADDRESS-UNIT-BITS cells 2* 2 + constant /HOLD &84 constant /PAD true constant CORE \ CORE-EXT? 1 -3 mod 0< constant FLOORED 1 ADDRESS-UNIT-BITS cells 1- lshift 1- constant MAX-N -1 constant MAX-U -1 MAX-N 2constant MAX-D -1. 2constant MAX-UD 0 1 2constant gforth \ minor mayor version \ !! RETURN-STACK-CELLS \ !! STACK-CELLS forth definitions previous