Plan 9 from Bell Labs’s /usr/web/sources/nix/nix/sys/src/libc/port/runestrcat.c
#include <u.h> #include <libc.h> Rune* runestrcat(Rune *s1, Rune *s2) { runestrcpy(runestrchr(s1, 0), s2); return s1; }
