iff AST_API ver ast 20111111 api ast 20120528 regexec regnexec regrexec regsubexec strgrpmatch api ast 20120411 cmdopen api ast 20110505 cmdopen api ast 20100601 pathaccess pathcanon pathcat pathkey pathpath pathprobe pathrepl api ast 20000308 sfkeyprintf print #define _AST_VERSION AST_VERSION /* pre-20100601 compatibility */
