ref: 1c8b4992284fe1cbccb54cd213f274c00c3ac6d1 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; }