rfio_fileno3
Maps stream pointer to file descriptor
Usage
#include <sys/types.h>
#include "rfio_api.h"
int rfio_fileno (FILE *fp);
Overview
rfio_fileno returns the integer file descriptor associated with the stream pointed to by fp.
Return value
Upon successful completion, rfio_fileno() returns the integer value of the file descriptor associated with the stream parameter. Otherwise, the value -1 is returned and serrno is set appropriately.
Errors
- EBADF
-
fp is not a valid file descriptor.
Releases
Unchanged in 5 releases since Debian 6.0 (Squeeze).