va_list with multiple types

i want to write soemthing like this:
a function which will print various types of arguments.
I tried to work with va_list, it doesn't work.
int main(){
write("this ",1.2," is ",'a',7," test");
}
should result in:
this 1.2 is a7 test

>>1
Learn2use the Printf method also check out what formatting signs (don't know the actual word for it in English) you need to use.
I don't remember... %d is for ints... I think.