ref: fb7dd4b3a868cb8987049c95bb32e6425a73c8b9
dir: /lib9/runesnprint.c/
#include "lib9.h" int runesnprint(Rune *buf, int len, char *fmt, ...) { int n; va_list args; va_start(args, fmt); n = runevsnprint(buf, len, fmt, args); va_end(args); return n; }