Spell-Checker

This C program implements a spell-checking application that reads words, meanings, and grammar from a CSV file, builds a balanced binary search tree (BST) with case-insensitive insertion, allows the user to check the spelling of a sentence, and updates the CSV file with any new words added during the spell-checking process.

Data Structures:

Binary Search Tree (BST):
    struct TreeNode with members word, meaning, grammar, left, and right.

Arrays of Strings:
    Arrays (words, meanings, grammars) to store words, meanings, and grammars read from the CSV file.

Functions:

Tree Manipulation Functions:
    createNode, insertCaseInsensitive, createBalancedBST, findSmallestAndLargest, freeTree.

String Manipulation Functions:
    toLowercase, removeHyphens, removePunctuation.

File I/O Functions:
    readCsvFile, writeCsvFile.

User Interaction Functions:
    checkSpellingOfSentence, printSmallestAndLargest.

Memory Management Function:
    freeArray.

Commands:

  gcc -c spell_checker.c
  gcc -o spell_checker spell_checker.o
  spell_checker