ref: 479a31ae8f4a361b101aa203aa1c0822137708d7
dir: /sys/src/libc/fmt/runesnprint.c/
#include <u.h> #include <libc.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; }