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# Input-Output Functions

Input Output functions allow you to read and write to files. Most of these functions begin with an f prefix. Expand the category to view a list of the available functions.

Click one of the following functions for more information:

Function Name | Description
fclose | Closes a file.
feof | Checks if the end of file has occurred on a stream.
ferror | Checks if any error has occurred during file I/0.
fgetc | Gets a character from a stream.
fgets | Reads a string from a file.
fopen | Opens a file for buffered I/0.
fprintf | Writes formatted output to a file.
fputc | Writes a character to a stream.
fread | Reads unformatted data from a stream into a buffer.
fscanf | Reads formatted input from a stream.
fseek | Sets the current position in a file to a new location.
fwrite | Write unformatted data from a buffer to a stream.
rewind | Rewinds a file.
sprintf | Writes formatted output to a string.
sscanf | Reads formatted input from a string.

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