Stuff

#include <stdio.h>#include <stdlib.h>#include <string.h>int main(void){    FILE *fp;    char str[128];    if ((fp=fopen("input.txt","r"))==NULL)     {       printf("Error\n");       exit(1);     }    while(!feof(fp))    {      fgets(str, 126, fp);      if (strstr(str,"hellow")!=NULL)       printf("%s", str);    }    fclose(fp);    return 0;}