How can I open a file for reading in C?

To open a file for reading in C, use the fopen function with the "r" mode.

What is the difference between fgetc and fgets for reading a file in C?

fgetc reads one character at a time from the file. fgets reads an entire line (up to a specified size) and stores it in a character array. Both are commonly used in a C program to read a file for different purposes.

Can I read binary files in C?

Yes, you can read binary files by using fread in "rb" mode.

How do I use command-line arguments to read a file in C?

To use command-line arguments for reading a file in C, accept the file name as an argument (argv[1]) and open it using fopen.

What happens if I read beyond the end of a file?

When you read beyond the end of a file, functions like fgetc or fgets will return EOF (End of File). This helps you detect when the file reading is complete.

Can I count the lines, words, and characters in a file using C?

Yes, by combining fgetc with conditional checks, you can count lines, words, and characters. This is a common task for reading a file in C and analyzing its content.

Why is file handling important in C programming?

File handling allows programs to read, write, and process external data, enabling tasks like logging, configuration management, and data analysis. Learning how to read a file in C is foundational for building real-world applications.