How to strcat in 2D - array?

How do I actually strcat in 2D-array in general method or as shown in the code below:

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void twoDarray( char(*ptr)[4] , int n );


void main()
{
char array[3][4]={"helo", "piec", "appl"};
char (*ptr)[4];

ptr = array;

twoDarray( ptr , 3 );
}

void twoDarray( char(*ptr)[4] , int n )
{
char str2[1][2];
int a, b;

str2[1][1] = '\0';

for( a = 0 ; a < n ; a++ )
{
for( b = 93 ; b < 123 ; b++ )
{
str2[1][0] = b;
strcat( str2[1][0] , ptr++ );
puts( str2[1] );
}
}
}

I have no idea what I'm doing?
Please aid me!:confused: :confused:

Well if you have a 1D array
char str[100];

Then you could do this
strcat( str, "hello" );


For a 2D array,
char str[5][100];

Then you could do this
strcat( str[0], "hello" );
strcat( str[1], "world" );

> for( b = 93 ; b < 123 ; b++ )
Is this the same as
for( b = 'a' ; b < 'z' ; b++ )

Almost all your arrays in your program have array overrun problems - it's hard to say what's happening, or what you're trying to achieve.