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if(init()==-1)
                exit(1);

        while(1)
        {
                adata=analogRead(0);
                printf("analog read %d\n",adata);
                if(adata==-1)
                printf("IO Error");
        }
        return 1;
}

time_t start, end;
        double elapsed; // seconds
        start = time(NULL);
        int terminate = 1;
        //Exit on failure to start communications with the GrovePi

        while (terminate) {
        end = time(NULL);
        elapsed = difftime(end, start);
        if (elapsed >= 1.0 /* seconds */)
        terminate = 0;
        else  // No need to sleep when 90.0 seconds elapsed.
        usleep(50000);
        }

  GNU nano 2.2.6          File: analogcurrentsensor.c                 Modified  

// GrovePi Example for using the analog read.
// http://dexterindustries.com/grovepi
#include <GrovePi.h>

int main(void)
{
        int adata;
        time_t start, end;
        double elapsed; // seconds
        start = time(NULL);
        int terminate = 1;
        //Exit on failure to start communications with the GrovePi

        while (terminate) {
        end = time(NULL);
        elapsed = difftime(end, start);
        if (elapsed >= 1.0 /* seconds */)
        terminate = 0;
        else  // No need to sleep when 90.0 seconds elapsed.
        usleep(50000);
        }



if(init()==-1)
                exit(1);

        while(1)
        {
                adata=analogRead(0);
                printf("analog read %d\n",adata);
                if(adata==-1)
                        printf("IO Error");
        }
        return 1;
}

terminate = 1;
while (terminate) {
    ...
    if (xx) terminate = 0;
}

if (elapsed >= 1.0 /* seconds */) {
    ...
}

void getAge(char *age, unsigned long int size){
  printf("Enter age, maximum age is 9999: ");
  fgets(age, size, stdin);
  checkQuit(age);
  int length =stLen(age);
  if(length==0 || (length==1 && age[0]=='0')){ //Special first case not covered by below
    printf("Wrong format of age.\n");
    getAge(age, size);
  }

  if(5>length>0){ //Length check, less than five and not 0.
    for (size_t i = 0; i < length; i++) { //Check all characters ascii value for digits.
      if(age[i]>57 || age[i]<48){ // If we find one thats not a digit, start over.
        printf("Wrong format of age. Ascii\n");
        getAge(age, size);
      }
    }
  }else{
    printf("Wrong format of age. Length\n");
    getAge(age, size);
  }
}

void extractWord(char *word, char **store){
  int length = strlen(word);
  if(length==0 || word==NULL){
    return;
  }
  
  for(int i = 0; i<length; i++){//Loop over string, return pointer to start of actual word
    if(word[i]<91 && word[i]>64){
      *store = (word+i); //Store location of how far we iterated
    }
  }
}

int main(){
  
  int counter = 0;
  FILE *fpb = fopen("bats.txt", "a+");
  char *tmpStore = calloc(1, 20);
  char *tmpWord = calloc(1, 20);

  
  while(fgets(tmpStore, 20, fpb)){
    //extractWord(tmpStore, &tmpWord);
    printf("%s", tmpStore);
  }
  
  return 0;
}