#include <stdlib.h>

int main()
{
    const int ArraySize = 5;
    char* strarr[] = {"One","Two","One", "Three", "Three", "Two", "Two", NULL};

    int i, ArraySz = ArraySize;
    for(i = 0;i < ArraySz-1; i++)
    {
        int j;
        char localString[128];
        strcpy(localString, strarr[i]);
        for(j = i + 1;j < ArraySz-1; j++)
        {
            if(!strcmp(localString, strarr[j]) )
            {
                int k;
                for(k = i; k < ArraySz; k++)
                {
                    strarr[k] = strarr[k+1];
                }
                ArraySz--;
            }
        }
    }

    for(i=0; i < ArraySz - 1; i++)
    {
        printf("%s\n", strarr[i]);
    }
    return 0;
}