void __regargs  __autoopenfail (char *);

#include <proto/exec.h>
#include <utility/tagitem.h>

struct Library *I2C_Base;
static void *libbase;
extern long __oslibversion;

void __stdargs _STI_openi2c (void)
{
	long old_os_lib = __oslibversion;

	__oslibversion = 38L;

	I2C_Base = libbase = (void *) OpenLibrary ("i2c.library", __oslibversion);
	if (!I2C_Base)
		__autoopenfail ("i2c.library");

	__oslibversion = old_os_lib;
}

void __stdargs _STD_closei2c (void)
{
	if (libbase) {
		CloseLibrary ((struct Library *) libbase);
		libbase = I2C_Base = NULL;
		}
}