NAME
rfio_fileno - maps stream pointer to file descriptor
SYNOPSIS
#include <sys/types.h>
#include "rfio_api.h"
int rfio_fileno (FILE *fp);
DESCRIPTION
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.
SEE ALSO
rfio_fopen(3)
AUTHOR
LCG Grid Deployment Team