ref: ce64a58e70f0d6848ce946f99de5ca3059a0fb1f dir: /sys/src/libc/port/runestrcpy.c/
#include <u.h> #include <libc.h> Rune* runestrcpy(Rune *s1, Rune *s2) { Rune *os1; os1 = s1; while(*s1++ = *s2++) ; return os1; }