What is the output of this program?
#include<stdio.h>
#include<stdlib.h>
int main()
{
int *ptr1, *ptr2;
ptr1 = malloc(4);
*ptr1 = 10;
*ptr2 = free(ptr1);
printf("%dn",*ptr2);
return 0;
}
a) 10
b) it will print the address stored in ptr1
c) it will print the address stored in ptr2
d) it will give an error
Submitted by: Murtazad) it will give an error
Explanation:
The free() function returns no value.
Output:
[root@localhost google]# gcc -o san san.c
san.c: In function 'main':
san.c:8:8: error: void value not ignored as it ought to be
[root@localhost google]#
Submitted by: Murtaza
Explanation:
The free() function returns no value.
Output:
[root@localhost google]# gcc -o san san.c
san.c: In function 'main':
san.c:8:8: error: void value not ignored as it ought to be
[root@localhost google]#
Submitted by: Murtaza
Read Online Linux Startup and Shutdown Job Interview Questions And Answers
Top Linux Startup and Shutdown Questions
☺ | At the end of kernel bootstrap, which process is started? |
☺ | Single user mode shell runs as: |
☺ | Which is the only partition mounted in Single user mode? |
☺ | Which of the following is not a valid run-level? |
☺ | The shell used for Single user mode shell is: |
Top Linux OS Categories
☺ | Device Drivers Interview Questions. |
☺ | Linux OS Management Interview Questions. |
☺ | Linux Makefile Interview Questions. |
☺ | Linux Environment Interview Questions. |
☺ | Linux OS Shell Interview Questions. |