nulterminate      325 sh.c           struct cmd *nulterminate(struct cmd*);
nulterminate      340 sh.c             nulterminate(cmd);
nulterminate      471 sh.c               nulterminate(rcmd->cmd);
nulterminate      477 sh.c               nulterminate(pcmd->left);
nulterminate      478 sh.c               nulterminate(pcmd->right);
nulterminate      483 sh.c               nulterminate(lcmd->left);
nulterminate      484 sh.c               nulterminate(lcmd->right);
nulterminate      489 sh.c               nulterminate(bcmd->cmd);