notification from parent of rekey operation

* Renders an integer value within the hexadecimal range (0-15) * to a hexadecimal character. * * @param c Integer to render as a hexade

synchronous version of system_cmd_async

like CFArrayAppendValue, but no-op if any args are NULL

return a const pointer to start of raw data

return false if close error

defined outside of DH class to avoid symbol collision in way that DHparams_dup macro is defined

Return details about current connection entry. Return value is true if get_endpoint may be called without raising an exception.

return true if str is empty or contains only space chars

append a T object to array, with possible resize

if cache is enabled, all DNS names will be preemptively queried

Split a string on sep delimiter. The size of the returned string list will be at most maxsplit + 1.

remove trailing \r or \n chars

assumes embedded big-endian uint16_t length in the stream

return true if data memory is defined

return contents of Buffer as a std::string