ldd3-debug-temp

The following code fragment implements these features and comes directly from the header scull.h: #undef PDEBUG /* undef it, just in case */
#ifdef SCULL_DEBUG
# ifdef _ _KERNEL_ _
/* This one if debugging is on, and kernel space */
# define PDEBUG(fmt, args...) printk( KERN_DEBUG "scull: " fmt, ## args)
# else
/* This one for user space */
# define PDEBUG(fmt, args...) fprintf(stderr, fmt, ## args)
# endif
#else
# define PDEBUG(fmt, args...) /* not debugging: nothing */
#endif

#undef PDEBUGG
#define PDEBUGG(fmt, args...) /* nothing: it's a placeholder */