open a file in kernel mode in solaris

[ASAI THAMBI S.P - CTD, Chennai.]

In linux, 
we can open a file in kernel mode using some functions like set_fs(),
get_fs()...
Moreover to call sys-open, we do so thru sys_call_table[__NR_open].

In Solaris, 
how can we do this?

asai. 

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