#ifndef IUTIL_H
#define IUTIL_H
#include <xio.h>
#ifdef __cplusplus
extern "C"
{
#endif
    struct image;

    const char *writepng (xio_constpath filename, const struct image *image);
    void XaoS_srandom (unsigned int x);
    long int XaoS_random (void);
    char *mystrdup (const char *);

#ifdef __cplusplus
}
#endif
#endif
