ref: 7f7c098f85fba9612ea2aa3901b7f5fae3b209f5
dir: /sys/src/cmd/unix/drawterm/libc/runestrdup.c/
#include <u.h>
#include <libc.h>
Rune*
runestrdup(Rune *s)
{
Rune *ns;
ns = malloc(sizeof(Rune)*(runestrlen(s) + 1));
if(ns == 0)
return 0;
return runestrcpy(ns, s);
}