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kcopy(9) [netbsd man page]

KCOPY(9)						   BSD Kernel Developer's Manual						  KCOPY(9)

kcopy -- copy data with abort on page fault SYNOPSIS
#include <sys/systm.h> int kcopy(const void *src, void *dst, size_t len); DESCRIPTION
kcopy() copies len bytes from src to dst, aborting if a fatal page fault is encountered. kcopy() must save and restore the old fault handler since it is called by uiomove(9), which may be in the path of servicing a non-fatal page fault. kcopy() returns 0 on success and an error number on failure. SEE ALSO
errno(2), memcpy(9), uiomove(9) BSD
April 4, 2006 BSD
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