Answer Posted / poornima

Nothing wrong.Its fine..
if u hve further doubt run the below code.

#include<stdio.h>
int main()
{
char *p=malloc(10);
if(p==NULL)
{
printf("malloc failed");
exit(0);
}
else
{
printf("malloc success\n");
p="hai";
printf("%s",p);
}
return 0;
}

o/p:
malloc success
hai

#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.

6263

---

Why do we use header files in c?

1055

---

If a five digit number is input through the keyboard, write a program to print a new number by adding one to each of its digits.For example if the number that is input is 12391 then the output should be displayed as 23402

3897

---

Explain how do you generate random numbers in c?

1068

---

What is header file in c?

1053

---

What are comments and how do you insert it in a C program?

1231

---

In c programming typeing to occupy the variables in memory space. if not useing the variable the memory space is wasted.ok, how to avoid the situation..? (the variable is used & notused)

2101

---

What is #include stdio h and #include conio h?

1088

---

Why are some ANSI/ISO Standard library routines showing up as undefined, even though I've got an ANSI compiler?

1113

---

What is structure data type in c?

1006

---

What do the functions atoi(), itoa() and gcvt() do?

1167

---

What oops means?

983

---

Can we assign string to char pointer?

1080

---

Differentiate between functions getch() and getche().

1026

---

Why is it that not all header files are declared in every C program?

1190

---