ref: d0e510b29af9a1d12a507f03f352b6d39adc0ace
dir: /sys/src/libc/fmt/runesprint.c/
#include <u.h> #include <libc.h> int runesprint(Rune *buf, char *fmt, ...) { int n; va_list args; va_start(args, fmt); n = runevsnprint(buf, 256, fmt, args); va_end(args); return n; }