#include <stdio.h>
#include <windows.h>
#include <string.h>

PBYTE szToHex(char *sz)
{
    unsigned int nbOpcodes = strlen(sz) / 2;
    PBYTE tab = (PBYTE)malloc(sizeof(BYTE) * (nbOpcodes));

    for(unsigned int i = 0; i < nbOpcodes; i++)
        sscanf_s(&sz[i*2], "%02X", &(tab)[i]);

    return tab;
}


int main()
{
    char buffer[] = "000102030405060708090A0B0C0D0E0F";
    PBYTE tab = NULL;

    tab = szToHex(buffer);

    for(unsigned int i = 0; i < strlen(buffer) / 2; i++)
        printf("%02X\n", tab[i]);

    system("PAUSE");

    if(tab != NULL) free(tab);

    return 0;
}