#ifndef _NTIOAPI_H
typedef struct _FILE_STANDARD_INFORMATION
{
    LARGE_INTEGER AllocationSize;
    LARGE_INTEGER EndOfFile;
    ULONG NumberOfLinks;
    BOOLEAN DeletePending;
    BOOLEAN Directory;
} FILE_STANDARD_INFORMATION, *PFILE_STANDARD_INFORMATION;
View code on GitHubThis structure is documented in Windows Driver Kit.