/safestack.h/1.17/Wed Oct 24 17:57:22 2018//TOPENBSD_6_5_BASE
/stack.c/1.20/Sun Apr  1 00:36:28 2018//TOPENBSD_6_5_BASE
/stack.h/1.9/Thu Jun 12 15:49:30 2014//TOPENBSD_6_5_BASE
D
