ref: a5740b2f15771d90c01be93f300c5fbcb64eca5f dir: /sys/src/cmd/unix/drawterm/libc/runestrcpy.c/
#include <u.h> #include <libc.h> Rune* runestrcpy(Rune *s1, Rune *s2) { Rune *os1; os1 = s1; while(*s1++ = *s2++) ; return os1; }