Answer Posted / rajan praksh more (vangani-tha

#include<stdio.h>
#include<conio.h>
void main()
{
int rem,a;
int sum=0;
clrscr();
printf("Enter The Number: ");
scanf("%d",&a);
while(a>0)
{
rem=a%10;
sum=sum+rem;
a=a/10;
}
printf("sum of digits of entered number is =%d",sum);
getch();
}

Why is extern used in c?

1053

---

How can I read/write structures from/to data files?

925

---

What is const keyword in c?

1124

---

Explain the use of 'auto' keyword in c programming?

1072

---

Does sprintf put null character?

990

---

Explain how can you determine the size of an allocated portion of memory?

1043

---

Why is c so powerful?

1067

---

Why does this code crash?

1030

---

write a program to input 10 strings and compare without using strcmp() function. If the character of one string matches with the characters of another string , sort them and make it a single string ??? example:- str1="Aakash" st2="Himanshu" str="Uday" output:- Aakashimanshuday (please post the answer as quickly as possible)

2052

---

What are pointers? Why are they used?

1116

---

Why should I prototype a function?

1122

---

What is a const pointer in c?

1076

---

What are types of preprocessor in c?

1019

---

What is the use of #include in c?

1037

---

Is javascript written in c?

1016

---