#include <stdio.h>

char* filename = "energy.txt";
char str[1000];
FILE *fp;

int main (void){
    fp = fopen(filename, "r");
    readFile();
    return 0;
}

void readFile(){
    if (fp == NULL){
        printf("Could not open file %s",filename);
        return 1;
    }
    while (fgets(str,1000, fp) != NULL)
        printf("%s", str);
    fclose(fp);
}