ref: a7f5ecaf636e38f407c951d0e86dcc4c4f424bd6
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; }