ref: 93a43be0ea85aca12826c9d53aec0ad2a0278198 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; }