ref: 595fbddb1c9e152d9080d7b0faa301709fa6466d
dir: /sys/src/libc/fmt/runevseprint.c/
#include <u.h> #include <libc.h> Rune* runevseprint(Rune *buf, Rune *e, char *fmt, va_list args) { Fmt f; if(e <= buf) return nil; f.runes = 1; f.start = buf; f.to = buf; f.stop = e - 1; f.flush = nil; f.farg = nil; f.nfmt = 0; f.args = args; dofmt(&f, fmt); *(Rune*)f.to = '\0'; return f.to; }