ref: f7392e7bb314888c91d081ae0428c657a7f2d4bc dir: tlsclient/libc/runestrcat.c
#include <u.h> #include <libc.h> Rune* runestrcat(Rune *s1, Rune *s2) { runestrcpy(runestrchr(s1, 0), s2); return s1; }