vdprintf
UserlandFS::KernelEmu::vdprintf(format, args);
vdprintf(format, args);
void vdprintf(const char *format, va_list args);
weak_alias (_IO_vdprintf, vdprintf)
extern int vdprintf (int __fd, const char *__restrict __fmt,
done = vdprintf (d, format, arg);
vdprintf(STDERR_FILENO, msg, ap);
vdprintf(STDERR_FILENO, msg, ap);