Answer Posted / ajit kumar shrivastav

#include<conio.h>
#include<stdio.h>
void main();
{ flaoat num;
scanf(enter a number);
printf("%f",res);
res=num*2;
getch();
}

How can I pad a string to a known length?

988

---

Implement bit Array in C.

1108

---

Is multithreading possible in c?

959

---

Should I learn c before c++?

1187

---

What are the two forms of #include directive?

1121

---

How do shell structures work?

1082

---

What is the use of volatile?

1054

---

What is the difference between union and structure in c?

1107

---

if a is an integer variable, a=5/2; will return a value a) 2.5 b) 3 c) 2 d) 0

1900

---

Devise a program that inputs a 3 digit number n and finds out whether the number is prime or not. Find out its factors.

1079

---

What are dangling pointers in c?

1145

---

What is a stream?

1093

---

How can I insert or delete a line (or record) in the middle of a file?

991

---

.find the output of the following program? char*myfunc(char*ptr) { ptr +=3; return (ptr); } int main() { char*x,*y; x="HELLO"; y=myfunc(x); printf("y = %s ",y); return 0; }

2525

---

Do you know the use of fflush() function?

1024

---