Answer Posted / rahul kumar

/* Program to reverse any string input by the user without
using library function strlen( );*/

#include <stdio.h>
#include<conio.h>
void main()
{
char a[]={"sixaN: you are with us or against us"};
int i,len=0;
char *b;
clrscr();
b=a;
while(*b!='\0')
{
len++;
b++;
} //counting lenght of string

for(i=len;i>-1;i--)
printf("%c",a[i]); //printing charachters in reverse
getch();


Output :

su tsniaga ro su htiw era uoy :Naxis

Write a program to swap two numbers without using third variable in c?

1132

---

What is an lvalue?

1065

---

What is the code for 3 questions and answer check in VisualBasic.Net?

2160

---

What is a static variable in c?

1129

---

Tell me what are bitwise shift operators?

1132

---

What is quick sort in c?

1091

---

What is new line escape sequence?

1355

---

In c programming language, how many parameters can be passed to a function ?

1114

---

What is unary operator?

1108

---

Is anything faster than c?

1015

---

Is Exception handling possible in c language?

2048

---

What is a pointer on a pointer in c programming language?

1141

---

What is meant by int main ()?

1211

---

How does free() know explain how much memory to release?

1055

---

How can I check whether a file exists? I want to warn the user if a requested input file is missing.

1150

---