[Cr3V3TT3]

hi
In small i used the "replace" command to replace a string in a string

But I don' t know what is this command in C++

Like

strcpy(prepare_hud, "Round $rn");
replace(prepare_hud, 127 , "$rn", "3");

i wan' t prepare_hud = "Round 3"

What the true code?

Sorry for this noob question ...