Write binary file: You can use the fwrite function to write binary data to a file, such as writing images, audio, and other binary files.
Write the structure data: You can use the fwrite function to write the structure data to a file for storage and retrieval.
Write to a text file: You can use the fwrite function to write text data to a file, such as writing a string to a file.
Write to log file: Use the fwrite function to write the program’s log information to a file in order to record the program’s operational status.
Write to configuration file: You can use the fwrite function to write configuration information to a file for the program to read.
Write network data: You can use the fwrite function to write network data to a file, for example, to save data downloaded from the network to a local file.