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