Answer Posted / sr amit tyagi

#include<stdio.h>
#include<conio.h>
void main()
{
FILE *f;
char c;
clrscr();
f=fopen("string","w");
while((c=getchar())!=EOF)
{
putc(c,f);
}
fclose(f);
f=fopen("string","r");
fseek(f,-1L,2);
do
{
putchar(getc(f));
}
while(!fseek(f,-2L,1));
fclose(f);
getch();
}

What is the benefit of using an enum rather than a #define constant?

644

---

any "C" function by default returns an a) int value b) float value c) char value d) a & b

656

---

How do I swap bytes?

620

---

What is the maximum no. of arguments that can be given in a command line in C.?

656

---

What is function prototype in c with example?

563

---

---

What are dangling pointers in c?

629

---

What is the advantage of c?

605

---

Here is a neat trick for checking whether two strings are equal

558

---

about c language

1590

---

#include #include struct stu { int i; char j; }; union uni { int i; char j; }; void main() { int j,k; clrscr(); struct stu s; j=sizeof(s); printf("%d",j); union uni u; k=sizeof(u); printf("%d",k); getch(); } what is value of j and k.

5170

---

What is 2c dna?

595

---

Do character constants represent numerical values?

832

---

Why do we use int main?

596

---

How many levels of pointers can you have?

695

---

How many types of sorting are there in c?

596

---