#ifndef _IMAGES_IO_MAIN_H
#define _IMAGES_IO_MAIN_H
+static inline int libjpeg_init(struct image_io *io UNUSED) { return 1; }
+static inline void libjpeg_cleanup(struct image_io *io UNUSED) {}
int libjpeg_read_header(struct image_io *io);
int libjpeg_read_data(struct image_io *io);
int libjpeg_write(struct image_io *io);
+static inline int libpng_init(struct image_io *io UNUSED) { return 1; }
+static inline void libpng_cleanup(struct image_io *io UNUSED) {}
int libpng_read_header(struct image_io *io);
int libpng_read_data(struct image_io *io);
int libpng_write(struct image_io *io);
+static inline int libungif_init(struct image_io *io UNUSED) { return 1; }
+static inline void libungif_cleanup(struct image_io *io UNUSED) {}
int libungif_read_header(struct image_io *io);
int libungif_read_data(struct image_io *io);
+int libmagick_init(struct image_io *io);
+void libmagick_cleanup(struct image_io *io);
int libmagick_read_header(struct image_io *io);
int libmagick_read_data(struct image_io *io);
int libmagick_write(struct image_io *io);