Utility Functions and C Language Reference > C Language Reference > Alphabetical List of Functions > fwrite

fwrite

Example: fwrite Input-Output Functions

Write unformatted data from a buffer to a stream.

size_t fwrite( const void *buffer, size_t size, size_t count, FILE *file_pointer);

buffer The buffer containing the data.
size The size of the buffer.
count The number of bytes to store in the buffer.
file_pointer A pointer to a file that will store the data.

Return Values

If successful, the function returns the number of full items (not bytes) successfully written.