void matrix(int *m1,int *m2,int *r,int x,int y,int z)
{
    register int *m1p;
    register int *m2p;
    register int k;
    int row;
    int column; 
     
        for(row=0;row<=x;b++)
        {
            for(column=0;column<=z;c++){
                m1p=m1+row*y;
                m2p=m2+column;
                *r=0;
                for(k=0;k<y;k++){
                    *r+=*m1p**m2p;
                    m1p+=1;
                    m2p+=1;
                   }
                   r++;
                 }
        }  
}