fprintf()
Write output to a stream
Synopsis:
#include <stdio.h> int fprintf( FILE* fp, const char* format, ... );
Arguments:
- fp
- The stream to which you want to send the output.
- format
- A string that specifies the format of the output. The formatting string determines what additional arguments you need to provide. For more information, see printf() .
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The fprintf() function writes output to the stream specified by fp, under control of the format specifier.
Returns:
The number of characters written, or a negative value if an output error occurred (errno is set).
Examples:
#include <stdio.h> #include <stdlib.h> char *weekday = { "Saturday" }; char *month = { "April" }; int main( void ) { fprintf( stdout, "%s, %s %d, %d\n", weekday, month, 10, 1999 ); return EXIT_SUCCESS; }
Produces:
Saturday, April 10, 1999
Classification:
Safety: | |
---|---|
Cancellation point | Yes |
Interrupt handler | No |
Signal handler | No |
Thread | Yes |