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if (SendARP(destino, origen, MacAddr, &PhyAddrLen) == NO_ERROR)
	{
		if (PhyAddrLen)
		{
			*mac = (char*)&MacAddr;
			/*BYTE *bMacAddr = (BYTE*)&MacAddr;
			*(mac) = (char*)bMacAddr;
			for (int i = 0; i < (int)PhyAddrLen; i++)
			{
				//printf("%x", bMacAddr[i]);
				//*(mac[i]) = (char)bMacAddr[i];
			}*/
			return true;
		}
	}

*mac = (char*)&MacAddr;

#include <stdio.h>
#include <stdio.h>
#include <stdlib.h>
 
int main()
{
 
    char **pDobleOriginal=(char**)malloc(sizeof(char*)*20);
    unsigned long long int mac=123456789123;//12 valoress no se de cuanto sea la mac
 
    char buffer[20];
    sprintf(buffer,"%llu",mac);//convertimos el long long a char
    *pDobleOriginal=buffer;//copiamos la direccion
 
    printf("%s",*pDobleOriginal);//lo mostramos
 
    //aqui liberamos la memoria
    //.
    //.
    //.
    getchar();
    return 0;
}
 
 

char buffer[20];
			sprintf(buffer, "%llu", MacAddr);//convertimos el long long a char
			*mac = buffer;//copiamos la direccion
 
			printf("%s\n", *mac);//lo mostramos
 
			static char output[IPTOSBUFFERS][3 * 4 + 3 + 1];
			static short which;
			u_char *p;
 
			p = (u_char *)&MacAddr;
			which = (which + 1 == IPTOSBUFFERS ? 0 : which + 1);
			_snprintf_s(output[which], sizeof(output[which]), sizeof(output[which]), "%d%d%d%d%d%d", p[0], p[1], p[2], p[3], p[4], p[5]);
			printf("%s", output[which]);
			*mac = output[which];
			system("pause");
			/*printf("%s", (char*)&MacAddr);
			*mac = (char*)&MacAddr;
			BYTE *bMacAddr = (BYTE*)&MacAddr;
			(mac) = (char*)bMacAddr;
			for (int i = 0; i < (int)PhyAddrLen; i++)
			{
				printf("%x", bMacAddr[i]);
				*(mac[i]) = (char)bMacAddr[i];
			}*/

/* From tcptraceroute, convert a numeric IP address to a string */
#define IPTOSBUFFERS    12
char *iptos(u_long in)
{
    static char output[IPTOSBUFFERS][3*4+3+1];
    static short which;
    u_char *p;
 
    p = (u_char *)∈
    which = (which + 1 == IPTOSBUFFERS ? 0 : which + 1);
    _snprintf_s(output[which], sizeof(output[which]), sizeof(output[which]),"%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
    return output[which];
}]

BYTE *bMacAddr = (BYTE*)&MacAddr;
			*(mac) = (char*)bMacAddr;
			printf("%s\n", *(mac));

<G◄6ÿ↔╠╠╠╠╠╠╠╠╠╠☻☻☻☻WinSock 2.0

BYTE *bMacAddr = (BYTE*)&MacAddr;
			for (int i = 0; i < (int)PhyAddrLen; i++)
				printf("%x", bMacAddr[i]);
			//*(mac) = (char*)bMacAddr;
			//printf("\n%s\n", (int)*(mac));
 
			//const int n = sprintf(NULL, 0, "%lu", MacAddr);
			char buf[30];
			sprintf(buf, "\n%s", MacAddr);
			printf("\n%s\n", buf);

BYTE *bMacAddr = (BYTE*)&MacAddr;
			//for (int i = 0; i < (int)PhyAddrLen; i++)
			//	printf("%x", bMacAddr[i]);
			//*(mac) = (char*)bMacAddr;
			//printf("\n%s\n", (int)*(mac));
			char buf[30];
			char ok[40]="";
 
 
			for (int i = 0; i < (int)PhyAddrLen; i++)
				printf("%c", (char)(int)bMacAddr[i]);
 
			printf("\n");
			for (int i = 0; i < (int)PhyAddrLen; i++)
			{
				sprintf(buf, "%c", (int)bMacAddr[i]);
				printf("%c", buf);
				strcat(ok, buf);
			}
 
			//sprintf(buf, "%s", MacAddr);
			printf("\n%s\n", ok);

printf("%c", (char)(int)bMacAddr[i]);

printf("%i", (int)bMacAddr[i]);

BYTE *bMacAddr = (BYTE*)&MacAddr;
			for (int i = 0; i < (int)PhyAddrLen; i++)
			{
				printf("%i", (int)bMacAddr[i]);
			}

6071175415229

for (int i = 0; i < (int)PhyAddrLen; i++)
			{
				printf("%i", (int)bMacAddr[i]);
				sprintf(buf, "%c", (int)bMacAddr[i]);
				printf("%c", buf[0]);
			}

BYTE *bMacAddr = (BYTE*)&MacAddr;
			string res;
			stringstream ss;
			for (int i = 0; i < PhyAddrLen; i++)
			{
				ss << hex << (int)bMacAddr[i];
				res += ss.str();
				ss.str("");
			}
			*mac = _strdup(res.c_str());