/* atmapi.h - ATM API user space/kernel compatibility */ /* Written 1999,2000 by Werner Almesberger, EPFL ICA */ #ifndef _LINUX_ATMAPI_H#define _LINUX_ATMAPI_H#if defined(__sparc__) || defined(__ia64__)/* such alignment is not required on 32 bit sparcs, but we can't   figure that we are on a sparc64 while compiling user-space programs. */#define __ATM_API_ALIGN	__attribute__((aligned(8)))#else#define __ATM_API_ALIGN#endif/* * Opaque type for kernel pointers. Note that _ is never accessed. We need * the struct in order hide the array, so that we can make simple assignments * instead of being forced to use memcpy. It also improves error reporting for * code that still assumes that we're passing unsigned longs. * * Convention: NULL pointers are passed as a field of all zeroes. */ typedef struct { unsigned char _[8]; } __ATM_API_ALIGN atm_kptr_t;#endif