#include <stdio.h>
static char s[82];
void main()
{
FILE *fp,*fpo;
char *p;
int n;
fp = fopen("foo","r");
if(fp==NULL) {
  printf("can't open 'foo'\n");
  exit(1);
  }
fpo = fopen("zoo","w");
for(;;) {
  s[0]=0;
  fgets(s,80,fp);
  if(s[0]==0) break;
  if(feof(fp)) break;
  p=s;
  for(n=0;n<strlen(s);++n) {
    if(*(p++)==9) goto showit;
    }
  p=s;
  if(strncmp(s,"unref",5)==0) continue;
  if(strncmp(s,"8085",4)==0) continue;
  if(strncmp(s,"doubly defined symbol : ''",26)==0) continue;
  if(strncmp(s+7,"bytes code",10)==0) continue;
  if(strncmp(s," Pass",5)==0) continue;
  if(strncmp(s,"PASS",4)==0) continue;
  if(strncmp(s," Util",5)==0) continue;
showit:
  if(strncmp(s,"undef",5)==0) printf("\7  \7");
  if(strncmp(s,"bad",3)==0) printf("\7  \7");
  if(strncmp(s,"unrecognized op",15)==0) printf("\7  \7");
  printf("%s",p);
  fprintf(fpo,"%s",p);
  }
fclose(fp);           fclose(fpo);
}