[COD]: Trocar caracteres

main(){

    SwapChars("Hey God - Tell me what the hell is going on", ' ', '_');

}



stock SwapChars(str[], chr, chr2){
    static
        l,
        p
    ;

    for(l = strlen(str), p = 0; l != p; ++p){
        if(str[p] == chr){
            str[p] = chr2;
        }
    }
    return str;
}