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collapseos/blk/446
2020-04-25 21:54:07 -04:00

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( strings being sent to parse routines are always null
terminated )
: (parsec) ( a -- n f )
( apostrophe is ASCII 39 )
DUP C@ 39 = NOT IF 0 EXIT THEN ( a 0 )
DUP 2+ C@ 39 = NOT IF 0 EXIT THEN ( a 0 )
( surrounded by apos, good, return )
1+ C@ 1 ( n 1 )
;