c - Placeholder for hardware reserved registers in struct -


i have struct represents set of hardware registers. here, parts reserved , must neither written nor read. there placeholder or similar instead of using obvious variable naming?

typedef volatile struct registerstruct {   uint8 bdh;   uint8 bdl;   ...   uint8 ir;   uint8 reserved0; // area should not accessed   ... }

obvious naming right thing use, there's no "reserved" feature in c.

you can use arrays of byte-sized integers correctly pad right length:

typedef volatile struct registerstruct {   uint8_t bdh;   uint8_t bdl;   uint8_t ir;   uint8_t __reserved[num_of_reserved_bytes]; // area should not accessed   uint8_t next_register_name; };

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