ref: 82b1d4d6c238074e42e8721a4b8f0d3f7e62756d dir: /libc/fmtstr.c/
#include <u.h> #include <libc.h> char* fmtstrflush(Fmt *f) { if(f->start == nil) return nil; *(char*)f->to = '\0'; return f->start; }