C

w3school/declarition.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+int myFunc(int,int);
+
+int main(){
+    int result = myFunc(5, 3);
+    printf("Result is %d", result);
+return 0;
+}
+
+int myFunc(int x, int y){
+    return x + y;
+}