#include <stdio.h>

int main(int argc,char* argv[])
{
    const char *astring[5];
    const char **p= astring;
    
    astring[0]="ABC";
    astring[1]="DEF";
    astring[2]="GHI";
    astring[3]=NULL;
    
    while (*p)
        printf("%s\n",*p++);
    
    return 0;
}