#include <stdio.h>
#include <string.h>
 
int main()
{
    char str[] = "abc.def.swscan.apple.com";
    int init_size = strlen(str);
    char delim[] = ".";
    char *lastElement[2] = {0};
 
    char *ptr = strtok(str, delim);
 
    while(ptr != NULL)
    {
    	lastElement[0] = lastElement[1];
    	lastElement[1] = ptr;
 
        printf("'%s'\n", ptr);
        ptr = strtok(NULL, delim);
    }
    if(lastElement[0]) {
    	printf("%s\n", lastElement[0]);
    }
    return 0;
}
 

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