Interschimbare linie sau coloana matrici

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void interschimblinia(int v1, int v2)
{
int aux=0;
for(i=1;i<=n;i++)
   {
    aux=c[v1][i];
    c[v1][i]=c[v2][i];
    c[v2][i]=aux;
   }
}

void interschimbcoloana(int c1, int c2)
{
int aux2=0;
for(i=1;i<=n;i++)
   {
    aux2=c[i][c1];
    c[i][c1]=c[i][c2];
    c[i][c2]=aux2;
   }
}