Untitled

int comprimi(FILE *fin, FILE *fout){
    char c, testo[200];
    int len=0,counter=0,tot=0;
    while(c=fgetc(fin)!= EOF){
        testo[len] = c;
        len++;
    }
    while(counter <len){
        if (testo[counter+1]==testo[counter]){
            int add=0;
            while(testo[counter+2+add]==testo[counter+1] && add<9){
                add++;
            }
            if (add!=0){
                fprintf(fout,"%c$%d", testo[counter], add+'0');
                counter = counter+2+add+1;
                tot = tot+3;
            }else{
                fputc(testo[counter],fout);
                counter++;
                tot++;
            }

        }else{
            fputc(testo[counter],fout);
            counter++;
            tot++;
        }
    }
    return tot;

}