Print formatted data to a stream.
int fprintf (FILE * stream, char * format [, arguments]...);
Required Header |
<stdio.h> |
Return Value
This function returns the number of characters printed to the stream. -1 indicates an error.
Parameters
stream
A pointer to the open FILE structure
format
The format control string
arguments
Optional arguments
Remarks
The fprintf function prints formatted data to the stream based on the same rules of the printf function, using the optional arguments as specified by the format string.