#include <iostream>
 
int main()
{
	char str[] = "3F4C5D026611, 3F4C5D026622, 3F4C5D026633";
 
	union address
	{
		uint64_t ull;
		uint8_t bytes[8];
	};
 
	address addresses[12];
 
 
	char * ptr = str;
	uint8_t counter = 0;
 
	while( *ptr && counter < 12 )
	{
		addresses[counter++].ull = strtoull( ptr, &ptr, 16 );
		if ( *ptr ) ptr++; // if end of string not reached, increase pointer to skip ','
	}
 
 
	for ( uint8_t i = 0; i < counter; i++ )
	{
		address * a = &addresses[i];
		printf( "address %hhu = %02X:%02X:%02X:%02X:%02X:%02X\n",
			i,
			a->bytes[5],
			a->bytes[4],
			a->bytes[3],
			a->bytes[2],
			a->bytes[1],
			a->bytes[0]
		);
	}
 
 
	return 0;
}

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