/* *  Simple SGI .rgb (IRIS RGB) image file reader ripped off from *  texture.c (written by David Blythe).  See the SIGGRAPH '96 *  Advanced OpenGL course notes. *//* includes */#include <GL/glut.h>/* typedefs *//* GLTXimage: Structure containing a texture image */typedef struct {  GLuint   width;			/* width of image */  GLuint   height;			/* height of image */  GLuint   components;			/* number of components in image */  GLubyte* data;			/* image data */} GLTXimage;/* gltxDelete: Deletes a texture image *  * image - properly initialized GLTXimage structure */voidgltxDelete(GLTXimage* image);/* gltxReadRGB: Reads and returns data from an IRIS RGB image file. * * name       - name of the IRIS RGB file to read data from */GLTXimage*gltxReadRGB(char *name);