which
which(struct prefix **orig, struct prefix *p)
enum which {APPEND, CHANGE, INSERT};
enum which {GLOBAL, V};
enum which {RETAB, LEFT, RIGHT};
enum which {WN, WQ, WRITE, XIT};
enum which { o_cmd, O_cmd };
enum which {BQMARK, FQMARK};
enum which {BIGWORD, LITTLEWORD};