there's no pass by reference in C! https://syntaxdb.com/ref/c/pass-by-ref https://syntaxdb.com/ref/c/pass-by-ref I'd recommend const pointers, maybe function p

there's no pass by reference in C! https://syntaxdb.com/ref/c/pass-by-ref https://syntaxdb.com/ref/c/pass-by-ref I'd recommend const pointers, maybe function pointers, arrays of function pointers. For JS, I'd recommend instanceof.