Definitions for ntohl etc. that don't require us to include netinet/in.h. We wrap gbswap_32 and gbswap_16 in functions rather than just #defining them

This helper function recursively yields relative pathnames inside a literal directory.

! Generates V = buffer * 10^decimal_exponent, such that M- <= V <= M+. M- and M+ must be normalized and share the same exponent -60 <= e <= -32. */

optional::has_value() Determines whether the `optional` contains a value. Returns `false` if and only if `*this` is empty.

! @brief return whether value is a number This function returns true if and only if the JSON value is a number. This includes both intege

! @brief return whether type is structured This function returns true if and only if the JSON type is structured (array or object).

warning: doesn't match internal hash - use hash() member function