typedef struct pre##_counterctx { \
pre##_ctx ctx; /* Underlying cipher context */ \
unsigned off; /* Current offset in buffer */ \
- octet buf[PRE##_BLKSZ]; /* Output buffer */ \
- uint32 n[PRE##_BLKSZ / 4]; /* Counter */ \
+ octet b[PRE##_BLKSZ]; /* Output buffer */ \
+ uint32 c[PRE##_BLKSZ / 4]; /* Counter */ \
} pre##_counterctx; \
\
/* --- @pre_countergetiv@ --- * \