printf("str1 < 52"); else
printf("str1 = str2"); ۴٢۴۵۳5
(0);
}
b)
೫1೧೦11೮೮ int
main()

{

char name[50]; int marks, i, num;

printf("Enter number of students: ");

fptr = (fopen('T:\\student.txt", "a")}

scanf("%d", &num);

FILE *fptr;

if(fptr == NULL)

{ printf("Error!");
exit(1); } for(i = 0; i< num;
++i)

{ _ printf("For student%d\nEnter name: ", i+1); = scanf("%s", name);
printf("Enter marks:"); = scanf("%d", &marks); = fprintf(fptr,"\nName:
%s \nMarks=%d \n", name, marks);

) fclose(fptr);
return 0;

}
23.a)

#include