File handling in C allows you to read, write, and manipulate files on the system. It is essential for data persistence, enabling programs to interact with files for input/output operations.
To begin file handling in C, you use file pointers, which are variables that reference files. Files are opened using the fopen() function, specifying the file name and the mode (such as “r” for reading, “w” for writing, and “a” for appending).
Once the file is opened, you can perform various operations like reading with fscanf() or fgets(), writing with fprintf() or fputs(), and checking for end-of-file with feof(). When done, it’s crucial to close the file using fclose() to release resources.
File handling in C supports both text and binary file modes, allowing greater flexibility in data management. Proper error handling, such as checking if a file opened successfully, is essential to avoid issues
