/safestack.h/1.29/Thu Aug  3 16:32:15 2023//TOPENBSD_7_4
/stack.c/1.23/Mon Apr 24 15:35:22 2023//TOPENBSD_7_4
/stack.h/1.9/Thu Jun 12 15:49:30 2014//TOPENBSD_7_4
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