//useMalloc.c
//John T. Rine
//October 23, 2011

#include<stdlib.h>
#include<stdio.h>


struct Test
{
        char *message1;
        char *message2;
};

typedef struct Test test;

int main(int argc, char **argv)
{

        //malloc a struct
        test *testPTR;

        testPTR = (test *)malloc(sizeof(test));

        testPTR->message1 = "Hello ";
        testPTR->message2 = "world!";

        printf("Message1 = %s, message2 = %s\n", testPTR->message1, testPTR->message2);

        free(testPTR);


        //malloc a char array
        int i = 0;
        int ii = 0;
        char * inputString = "John T. Rine\0";
        char * string = NULL;

        printf("input string contains %s\n", inputString);
        while(*(inputString + i) != '\0') i++;
        printf("Character count = %d\n", i);
        string = (char *)malloc(sizeof(char) * (i + 1));
        for(ii = 0; ii <= (i + 1); ii++) *(string + ii) = *(inputString + ii);
        printf("Dynamically allocated array contains %s\n", string);

        free(string);

        return 0;
}