gistfile1.c

char *lookUpSpikeTs(int i){
  char x[20];
  sprintf(x, 'hello world:%d', i);
  return x;
}

char *getTsForSpike(int i){
  return lookUpSpikeTs(i);
}

int main(int argc, char** argv){

   fprintf(stderr, 'Response:%s\n', getTsForSpike(i));
}