ref: c135b5af7abfefe595e109a90becc0281892a9ba
dir: /sys/src/cmd/unix/drawterm/libc/runefmtstr.c/
#include <u.h> #include <libc.h> #include "fmtdef.h" Rune* runefmtstrflush(Fmt *f) { if(f->start == nil) return nil; *(Rune*)f->to = '\0'; return f->start; }