4.4BSD/usr/share/man/cat2/sigstack.0

SIGSTACK(2)                 BSD Programmer's Manual                SIGSTACK(2)

NNAAMMEE
     ssiiggssttaacckk - set and/or get signal stack context

DDEESSCCRRIIPPTTIIOONN
     The ssiiggssttaacckk() function has been deprecated in favor of the interface de-
     scribed in sigaltstack(2).

SSEEEE AALLSSOO
     sigaltstack(2)

HHIISSTTOORRYY
     The ssiiggssttaacckk function call appeared in 4.2BSD.

4.2 Berkeley Distribution        June 4, 1993                                1