/a framebuffer device structure; typedef struct fbdev{ int fb; unsigned long fb_mem_offset; unsigned long fb_mem; struct fb_fix_screeninfo fb_fix; struct fb_var_screeninfo fb_var; char dev[20]; } FBDEV, *PFBDEV;
/open & init a frame buffer /to use this function, /you must set FBDEV.dev=\"/dev/fb0\" /or \"/dev/fbX\" /it\'s your frame buffer. int fb_open(PFBDEV pFbdev);
/close a frame buffer int fb_close(PFBDEV pFbdev);
/get display depth int get_display_depth(PFBDEV pFbdev);
/full screen clear void fb_memset(void *addr, int c, size_t len);