#define SILC_GET64_MSB ...
Return eight 8-bit bytes, most significant bytes first.
#define SILC_GET64_MSB(l, cp) \ do { \ (l) = ((((SilcUInt64)SILC_GET_WORD((cp))) << 32) | \ ((SilcUInt64)SILC_GET_WORD((cp) + 4))); \ } while(0)