__if_comp__ __C__ simple_passthrough """
	#include <stdio.h>
    int diff = 7;
"""

|void| print_it() {
    __if_comp__ __C__ simple_passthrough """
        printf("diff_file: %d\n", diff);
    """
}

|void| print_it(|int| i) {
    __if_comp__ __C__ simple_passthrough(i = i::) """
        printf("diff_file: %d\n", i);
    """
}