ref: 9d6d51b16c65a4ce11dca3dcb68a722a24ef44b6 dir: /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; }