OUTPUT:
nbrOfElements: 5
nextToGet is: 1
fetched from buffer: hello0
nextToGet is: 2
fetched from buffer: hello1
nextToGet is: 3
fetched from buffer: hello2
nextToGet is: 4
fetched from buffer: hello3
nextToGet is: 5
fetched from buffer: hello4
nextToGet is: 0
fetched from buffer:
nextToGet is: 1
fetched from buffer: hello0
nextToGet is: 2
fetched from buffer: hello1
nbrOfElements: 5


#include <stdio.h>
#define MAX_NBR_ELEM 5
#define MAX_NBR_CHAR 9
char ringbuffer[MAX_NBR_ELEM][MAX_NBR_CHAR]; //char matrix with size for 10char strings
int nextToPut=0;
int nextToGet=0;
int nbrOfElements=0;

void put(char* c){
        int i=0;
        printf("nextToPut: %d\n",nextToPut);
        if(nbrOfElements>=MAX_NBR_ELEM){
                printf("buffer full\n");
        }
        else{
                while(i<9){
                        ringbuffer[nextToPut][i]=c[i];
                        i++;
                }
                printf("string copied\n");
                if(nextToPut<MAX_NBR_ELEM-1){
                        nextToPut++;
                        printf("nextToPut is: %d\n",nextToPut);
                }
                nbrOfElements++;

        }
}
char* get(void){
        if(++nextToGet>MAX_NBR_ELEM){
                nextToGet=0;
        }
        if((ringbuffer[nextToGet]!=NULL)){
                if(nbrOfElements<=MAX_NBR_ELEM && nbrOfElements<=0){
                        nbrOfElements--;
//                      nextToGet++;
                }
                return ringbuffer[nextToGet-1];
        }
        else{
                return NULL;
        }
}
int main(){
        char* pChar;
        char* myString0="hello0";
        char* myString1="hello1";
        char* myString2="hello2";
        char* myString3="hello3";
        char* myString4="hello4";
        char* myString5="hello5";
        char* myString6="hello6";
        char* myString7="hello7";
        put(myString0);
        put(myString1);
        put(myString2);
        put(myString3);
        put(myString4);
        put(myString5);
        put(myString6);
        put(myString7);
        printf("nbrOfElements: %d\n",nbrOfElements);
        pChar=get();
        printf("nextToGet is: %d\n",nextToGet);
        printf("fetched from buffer: %s\n",pChar);
        pChar=get();
        printf("nextToGet is: %d\n",nextToGet);
        printf("fetched from buffer: %s\n",pChar);
        pChar=get();
        printf("nextToGet is: %d\n",nextToGet);
        printf("fetched from buffer: %s\n",pChar);
        pChar=get();
        printf("nextToGet is: %d\n",nextToGet);
        printf("fetched from buffer: %s\n",pChar);
        pChar=get();
        printf("nextToGet is: %d\n",nextToGet);
        printf("fetched from buffer: %s\n",pChar);
        pChar=get();
        printf("nextToGet is: %d\n",nextToGet);
        printf("fetched from buffer: %s\n",pChar);
        pChar=get();
        printf("nextToGet is: %d\n",nextToGet);
        printf("fetched from buffer: %s\n",pChar);
        pChar=get();
        printf("nextToGet is: %d\n",nextToGet);
        printf("fetched from buffer: %s\n",pChar);
        printf("nbrOfElements: %d\n",nbrOfElements);
}