ptr

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

int main (void)
{
    char extention[] = "this string.css file";
    // establish a ponter and point to period
    char * ptr = strrchr(extention,'.');
    // advance ptr untill ' '
    for (char*i = ptr; *i != ' '; i++)
    {
        // store what ever ptr is pointing at in extention
        strncpy(array,ptr,1);   //  only printing '.' doesnt seem to be advancing the loop ?
    }
    printf("%s\n",extention );
}