Transp in Linux

#include <stdio.h>
#define MAX 5

int printM(int matriz[][MAX])
{
     //int i,j;// or  -std=gnu99
    for (int i = 0, j = 0; i < MAX; i++)
    {
        for (j = 0; j < MAX; j++)
        {
            printf("%d", matriz[i][j]);
            putchar('\t');
        }
        putchar('\n');
    }
    putchar('\n');

}

void transp(int matrix[][MAX])
{
    int i, j;
    for (i = 0; i < MAX; i++)
    {
        for (j = 0; j < i; j++)
        {
            int t = matrix[i][j];
            matrix[i][j] = matrix[j][i];
            matrix[j][i] = t;
        }

    }
}

int main()
{
    int i, j;
    int m[][MAX] = { { 1, 2, 3, 4, 5 }, { 22, 33, 44, 55, 66 }, { 12, 21, 99, 88, 77 }, { 9, 8, 7, 6, 5 }, { 13, 31, 22, 54, 45 } };
    puts("A matriz inicial is esta\n");
    printM(m);
    transp(m);
    puts("\n\nA matriz trasposta is esta\n");
    printM(m);
    //system("pause");
}