Nitpicking the C variant: > #define BLQS_CMP(a, b) ((a) < (b)) A function that returns true when one operand is Less Than the other, should be called BLQS_LT.

Nitpicking the C variant: > #define BLQS_CMP(a, b) ((a) < (b)) A function that returns true when one operand is Less Than the other, should be called BLQS_LT. The CMP abbreviation is idiomatic for a function that returns -1,0, or 1.