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Write a ‘C’ program to create student structure having field roll no, stud name, class, pass this entire structure to function and display the structure elements. #include<stdio.h> #include<conio.h> struct student { int rollno; char sname[20]; char sclass[10]; }; void disp(struct student); void main() { struct student s; clrscr(); printf("enter the rollno,sname&sclass"); scanf("%d%s%s",&s.rollno,&s.sname,&s.sclass); disp(s); getch(); } void disp(struct student s) { printf("%d%s%s",s.rollno,s.sname,s.sclass); }

Write a ‘C’ program to reverse an array elements using dynamic memory allocation. #include<stdio.h> #include<conio.h> #include<malloc.h> void main() { int n,i; int *p; clrscr(); printf("enter the size"); scanf("%d",&n); p=(int*)malloc(sizeof(int)*n); for(i=0;i<n;i++) { scanf("%d",&p[i]); } for(i=n-1;i>=0;i--) { printf("%d",p[i]); } getch(); }