ref: b7af62b250e5dff30320a181ca9d53ab5a7c276d
dir: /lib9/runevseprint.c/
#include "lib9.h" #include "fmtdef.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; va_copy(f.args, args); dofmt(&f, fmt); va_end(f.args); *(Rune*)f.to = '\0'; return f.to; }