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//given 2 distinct types
struct Foo{ int a,b,c; };
struct Bar{ float x,y,z; };
 
//and a function that takes each type by pointer
void function(struct Foo* x, struct Bar* y){}
 
int main() {
    struct Foo x;
    struct Bar y;
 
    //why am I able to pass both parameters in the wrong order,
    //and still get a successful compile without any warning messages.
	function(&y,&x);
 
    //compiles without warnings.  
    //potentially segfaults based on the implementation of the function
}
deliberate error here

prog.c: In function 'main':
prog.c:14:11: warning: passing argument 1 of 'function' from incompatible pointer type [-Wincompatible-pointer-types]
  function(&y,&x);
           ^
prog.c:6:6: note: expected 'struct Foo *' but argument is of type 'struct Bar *'
 void function(struct Foo* x, struct Bar* y){}
      ^
prog.c:14:14: warning: passing argument 2 of 'function' from incompatible pointer type [-Wincompatible-pointer-types]
  function(&y,&x);
              ^
prog.c:6:6: note: expected 'struct Bar *' but argument is of type 'struct Foo *'
 void function(struct Foo* x, struct Bar* y){}
      ^
prog.c: At top level:
prog.c:19:1: error: unknown type name 'deliberate'
 deliberate error here
 ^
prog.c:19:18: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'here'
 deliberate error here
                  ^

Standard output is empty