ref: a8d30f5e1dce0a7eee100676f5467418a04d66eb dir: /sys/src/liboventi/errfmt.c/
#include <u.h> #include <libc.h> #include <oventi.h> int vtErrFmt(Fmt *f) { char *s; s = vtGetError(); return fmtstrcpy(f, s); }