isUniqueId

get an unique id for an ISAM file

SYNOPSIS

int isUniqueId( IsFile * isfd, long * value );

isfd isam file descriptor
value pointer to variable to receive value

RETURN

ISTRUE, or ISFALSE, in which case the error code is returned by isErrno, or found in isfd->iserrno

NOTES

the value returned is guaranteed unique for the current file.