linux c word

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAX_WORD_LEN 100
#define MAX_WORDS 1000

typedef struct {
    char word[MAX_WORD_LEN];
    int count;
} WordCount;

int find_word(WordCount *word_counts, int word_count, const char *word) {
    for (int i = 0; i < word_count; i++) {
        if (strcmp(word_counts[i].word, word) == 0) {
            return i;
        }
    }
    return -1;
}

int main() {
    FILE *file = fopen("input.txt", "r");
    if (!file) {
        perror("Failed to open file");
        return EXIT_FAILURE;
    }

    WordCount word_counts[MAX_WORDS];
    int word_count = 0;
    char word[MAX_WORD_LEN];

    while (fscanf(file, "%s", word) != EOF) {
        int index = find_word(word_counts, word_count, word);
        if (index != -1) {
            word_counts[index].count++;
        } else {
            strcpy(word_counts[word_count].word, word);
            word_counts[word_count].count = 1;
            word_count++;
        }
    }

    fclose(file);

    for (int i = 0; i < word_count; i++) {
        printf("%s: %d\n", word_counts[i].word, word_counts[i].count);
    }

    return EXIT_SUCCESS;
}