ref: 4d211fdd4801bd6db06ae2c0a72b47de55f3194c 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; }