NULL                8 bidlist.c        ret->head = NULL;
NULL                9 bidlist.c        ret->tail = NULL;
NULL               10 bidlist.c        ret->mark = NULL;
NULL               19 bidlist.c        newnode->next = NULL;
NULL               20 bidlist.c        if(blist->tail != NULL){
NULL               24 bidlist.c        if(blist->head == NULL){
NULL               37 bidlist.c        if(next!= NULL){
NULL               42 bidlist.c        if(prev!= NULL){
NULL               71 bidlist.c        if(ret != NULL){
NULL               27 gamemain.c       mobjp[0] = newmovingobject(&objp[0], NULL, NULL, NULL, "me");
NULL               48 gamemain2.c      mobjp[2] = newmovingobject(&objp[1], NULL, dispm, bomba, "me");
NULL              123 gamemain2.c          while(e!= NULL && e->time*speedlevel < time){
NULL               39 scenario.c       event* ret = NULL;
NULL               41 scenario.c       if(node != NULL){