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+https://www.reddit.com/r/C_Programming/comments/yjbe62/combining_default_named_and_positional_arguments/
+
+{{{c
+struct fooParam { int x, y; };
+#define foo(...) foo((struct fooParam) {__VA_ARGS__ })
+int (foo)(struct fooParam p) {
+ return p.x + p.y;
+}
+
+int main() {
+ printf("%d\n", foo(.y = 20, .x = 10));
+}
+}}}