void search() {
    FILE *fPointer;
    char line[255];
    char filename[100] = "input.txt";
    char searchText[100] = "hello";

    // printf("Enter the file name: ");
    // scanf(" %s", &filename);
    // printf("Enter the text to search for: ");
    // scanf(" %s", &searchText);

    fPointer = fopen(filename, "r");

    if (fPointer == NULL) {
        printf("File could not be opened.\n\n");
    }
    else {
        int lineNum = 1;
        int totalInstances = 0;
        char *instances[100];
        int lineNumbers[100];
        while (fgets(line, 255, fPointer)) {
            char *searchPointer = strstr(line, searchText);
            while (searchPointer != NULL) {
                instances[totalInstances] = &line[searchPointer-line];
                lineNumbers[totalInstances] = lineNum;
                printf("Line %d: %s", lineNum, &line[searchPointer - line]);
                searchPointer = strstr(searchPointer + 1, searchText);
                totalInstances++;
            }

            lineNum++;
        }
        printf("\n%i occurence(s) of '%s' in %s:\n", totalInstances, searchText, filename);

        for (int i = 0; i < totalInstances; i++) {
            printf("Line %i: %s\n", lineNumbers[i], instances[i]);
        }
        printf("\n");
    }

     fclose(fPointer);
}