#ifndef _PHNT_NTDEF_H
#ifndef _NTDEF_
#if defined(__INTELLISENSE__) || defined(DOXYGEN)
#ifndef PAGE_MASK

/**
 * The PAGE_MASK macro defines the mask for offsets within a page.
 *
 * \return The page offset mask (default 0xFFF).
 * \remarks This is typically PAGE_SIZE - 1 for power-of-two page sizes.
 */
#define PAGE_MASK 0xFFF

#endif
#endif
#endif
#endif
View code on GitHub

#ifndef _PHNT_NTDEF_H
#ifndef _NTDEF_
#if defined(__INTELLISENSE__) || defined(DOXYGEN)
// ...
#else
#ifndef PAGE_MASK

#define PAGE_MASK 0xFFF

#endif
#endif
#endif
#endif
View code on GitHub