Close all open stream files
#include <stdio.h> int fcloseall( void );
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The fcloseall() function closes all open streams, except stdin, stdout and stderr. This includes streams created (and not yet closed) by fdopen(), fopen() and freopen().
0
If an error occurs, errno is set.
#include <stdio.h> #include <stdlib.h> int main( void ) { printf( "The number of files closed is %d\n", fcloseall() ); return EXIT_SUCCESS; }
Safety: | |
---|---|
Cancellation point | Yes |
Interrupt handler | No |
Signal handler | No |
Thread | Yes |
fclose(), fdopen(), fopen(), freopen()