MFC 267168: misc bugfixes: - stdio.h is needed for fprint() - make memsize uint32_t to avoid errors due to overflow - honor the *XPOLL flagg in NIOCREGIF requests - mmap fails wit MAP_FAILED, not NULL.
MFC 267168:
misc bugfixes:
- stdio.h is needed for fprint()
- make memsize uint32_t to avoid errors due to overflow
- honor the *XPOLL flagg in NIOCREGIF requests
- mmap fails wit MAP_FAILED, not NULL.

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