RKSHORTEN(3) Library Functions Manual RKSHORTEN(3)NAMERkShorten - shorten the reading of the current clauseSYNOPSIS#include <canna/RK.h> int RkShorten(cxnum) int cxnum;DESCRIPTIONRkShorten shortens the reading of the current clause. It does nothing when the reading length is reduced to 0.RETURN VALUEThis function returns the number of clauses after the change. RKSHORTEN(3)