ref: 7a1fe6d6eca745009d9be9ad6f16e45ed2a511ab dir: /libc/runestrcat.c/
#include <u.h> #include <libc.h> Rune* runestrcat(Rune *s1, Rune *s2) { runestrcpy(runestrchr(s1, 0), s2); return s1; }