ref: 2d555bc3fcffc27ed2c1e9b40a5a8eef63c0d5da 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); }