@brief return whether value is a floating-point number @sa https://json.nlohmann.me/api/basic_json/is_number_float/

@brief return whether value is an integer number @sa https://json.nlohmann.me/api/basic_json/is_number_integer/

* Function local__extname (filename) * * Return pointer within filename to its extenstion, or NULL if * filename has no extension. * */

since we only care about values >= 0 or error, returns < 0 for any illegal string, else value */

since we only care about values >= 0 or error, returns < 0 for any illegal string, else value */

clear non-flat storage within */

=========================================================================== * Read a new buffer from the current input stream, update the adler32 *

Moves the little-endian word into the 4 bytes pointed to by b

size1 * (size2 + size3) */

set iterator to a defined beginning

return 1 if the sum is valid, 0 on overflow. negative terms are considered invalid.

@OPTIMIZE: provide an option that always forces left-predict or paeth predict

level may actually range from [0,10] (10 is a "hidden" max level, where we want a bit more compression and it's fine if throughput to fall off a cliff

! @brief unget current character (read it again on next get) We implement unget by setting variable next_unget to true. The input is not

MD5 block update operation. Continues an MD5 message-digest operation, processing another message block