#include <string.h>
#include <time.h>
#include <stdio.h>
static char* extensionSearch(char * fileName){
    const char* extensions[] = {".exe", ".doc", ".xls", ".ppt", ".txt", ".jpg", ".eml", ".log"};

    char * fName = fileName;
    printf("%sn", *fileName);
    char* tmpRetValue = "";
    char* finalRetValue = "noExt";
    for(int i=0; i<sizeof(extensions)/sizeof(const char *); i ++)
    {
        tmpRetValue = strstr(fName, extensions[i]);
        if(strcmp(tmpRetValue, extensions[i]) == 0)
        {
            finalRetValue = extensions[i];
        }


    }
    return finalRetValue;
}

char* fileName = BytesToString(ff->name, ff->name_len);
char* fileExt = extensionSearch(fileName);