ref: ed15b6e52c8fdeaf992e1608b5f26d15b9323e90
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;
}