#include <stdio.h>
#include <sys/types.h>
#include <dirent.h>
#include <string.h>
#include <ctype.h>

int open_files(char *name, char *way, char *keywords);
int get_word(char *keywords, int i, char *word);
int search_word(char *word, FILE *file);

int main()
{
    char *keywords;
    scanf("Enter keywords: %s",keywords);
    // char *keywords="flag hello keyword";

    DIR *dir;
    struct dirent *entry;

    char *dirinput="./search/";
    dir = opendir(dirinput);
    if (dir == NULL)
    {
        perror("error dir open =(");
        return 1;
    }

    while ( (entry = readdir(dir)) != NULL)
    {
        char *name = entry->d_name;
        printf("%s\n", name);

        if (strcmp(name,"..")==0 || strcmp(name,".")==0)
        continue;

        char way[50] = "./search/";
        if (open_files(name,way,keywords))
        return 1;


        // while (getc(file) != EOF)//
        // {

        // }

        // fclose(file);

    }
    closedir(dir);
    return 0;
}

int open_files(char *name, char *way, char *keywords)
{
    strcat(way,name);
    FILE *file;
    file = fopen(way,"rwe");
    if (file == NULL)
    {
        perror("error file open )=");
        return 1;
    }

    char *word;
    int i=0;
    while((i=get_word(keywords, i, word)) != -1)
    {
        if (search_word(word,file))
        printf("%s\n", way);
    }

    fclose(file);
    return 0;
}

int get_word(char *keywords, int i, char *word)
{
    for (i; i<strlen(keywords); i++)
    {
        if (!isblank(keywords) && keywords != "\n")
        keywords[i] = word[i];

        else
        return -1;
    }
    return i;
}

int search_word(char *word, FILE *file)
{
    char sym;
    char *fileword;
    int j=0;
    while ((sym=getc(file)) != EOF)
    {
        if (!isspace(sym))
        {
            fileword[j]=sym;
            j++;
        }
        j=0;

        if (!strcmp(word,fileword))
        return 1;
    }
    return 0;
}