https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89043
--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> --- The CHANGE HISTORY section for stpcpy says the function was first released in Issue 1 and derived from Issue 1 of the SVID: http://pubs.opengroup.org/onlinepubs/9699919799/functions/stpcpy.html
