kkuuccooppyy() -- Memory-Manipulation Routine

uunnssiiggnneedd
kkuuccooppyy(_k, _u, _n)
cchhaarr *_k;
cchhaarr *_u;
uunnssiiggnneedd _n;

kkuuccooppyy()  copies _n  bytes from  offset _k  in the  kernel's data  segment to
offset _u  in user's data segment.   It returns the number  of bytes copied.
If an  address fault occurs, kkuuccooppyy() sets uu.uu_eerrrroorr  to EEFFAAUULLTT and returns
zero.

_S_e_e _A_l_s_o
mmeemmoorryy-mmaanniippuullaattiioonn rroouuttiinneess
