ref: d628ef01c4128c06b2f443fe7ff66f8d75714e0f dir: /sys/src/libc/fmt/runefmtstr.c/
#include <u.h> #include <libc.h> Rune* runefmtstrflush(Fmt *f) { if(f->start == nil) return nil; *(Rune*)f->to = '\0'; return f->start; }