#include <setjmp.h>

struct gs_jpeg_error_mgr
{
	jmp_buf setjmpBuffer;
};

struct gs_jpeg_error_mgr *global_foo;

void jpeg_read_header(void)
{
	longjmp(global_foo->setjmpBuffer, 1);
}

int dummy_length=1;

int foo(void)
{
	struct gs_jpeg_error_mgr jerrMgr;

	if (!dummy_length)
		return 0;

	global_foo=&jerrMgr;

	if (setjmp(jerrMgr.setjmpBuffer))
		return 0;

	jpeg_read_header();

	return 1;
}



int main(int argc, char **argv)
{
	int i;

	i=foo();
	printf("got i=%i\n",i);

	return 0;
}