if there's a pending marker from the entropy stream, return that otherwise, fetch from the stream and get a marker. if there's no marker, return 0xff,

Converts given time since epoch as ``std::time_t`` value into calendar time, expressed in Coordinated Universal Time (UTC). Unlike ``std::gmtime``,

<summary> </summary> <param name="from"></param> <param name="to"></param> <returns></returns>

byteswap

============================================================== * * COMBO * * ============================================

Pop item from front. If there are no elements in the container, the behavior is undefined.

@brief Add uint32 to reply packet **/

Helper function that tests a sphere against a triangle

error handler

if there's a pending marker from the entropy stream, return that otherwise, fetch from the stream and get a marker. if there's no marker, return 0xff,

if there's a pending marker from the entropy stream, return that otherwise, fetch from the stream and get a marker. if there's no marker, return 0xff,

returns 1 if the product is valid, 0 on overflow. negative factors are considered invalid.

Get the specified scan line from the ring buffer.