This is an Example of Runtime Memory allocation using MALLOC() & CALLOC()
STRCTURE
#include
#include
#include
#include
struct student
{
char nm[10];
int m1;
int m2;
int m3;
int total;
};
void main()
{
int n,i;
struct student *p;
clrscr();
printf(" Enter variables ");
scanf("%d",&n);
p=(struct student *)calloc(n,sizeof(struct student));
if(p==NULL)
{
printf(" Not Sufficient Memory ");
getch();
exit(0);
}
for(i=0;i {
printf("\n \n \t Enter Name M1 M2 M3 ");
scanf("%s%d%d%d",(p+i)->nm,&(p+i)->m1,&(p+i)->m2,&(p+i)->m3);
(p+i)->total=(p+i)->m1+(p+i)->m2+(p+i)->m3;
}
for(i=0;i {
printf(" \n \n \t NAME %s Total %d \n ",(p+i)->nm,(p+i)->total);
}
getch();
}
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