[ECP 1026]Another Linked list sample

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

struct Exam{
    float marks;
    char grade;
    char code[20];
    struct Exam *next;
};

struct Exam * InsertNode(float x,char y,char z[]);

int main(){
    struct Exam *head=NULL;
    struct Exam *curr=NULL;

    head = curr = InsertNode(0.0,'\0',"\0");

    int i;

    curr->next = InsertNode(72.0,'B',"ECP1016");
    curr=curr->next;
    curr->next = InsertNode(85.0,'A',"ECP1026");
    curr=curr->next;
    curr->next = InsertNode(55.0,'C',"ECP1036");
    curr=curr->next;

    curr=head;
    curr=curr->next;
    while(curr){
        printf("%.2f %c %s\n",curr->marks,curr->grade,curr->code);
        curr=curr->next;
    }
        return(0);
}




struct Exam * InsertNode(float x,char y, char z[]){

    struct Exam *temp;

    temp=(struct Exam *)malloc(sizeof(struct Exam));
    temp->marks=x;
    temp->grade=y;
    strcpy(temp->code,z);
    temp->next=NULL;
    return(temp);
}