Device Drivers Question:

What is the output of this program?

#include<stdio.h>
#include<stdlib.h>
#include<string.h>

int main()
{
int ptr;
ptr = (int)malloc(sizeof(int)*10);
return 0;
}
a) syntax error
b) segmentaion fault
c) run time error
d) none of the mentioned

Answer:

d) none of the mentioned
Explanation:
The memory has been allocated but we can not access rest of the memory other than 4 bytes.
Output:
[root@localhost google]# gcc -o san san.c
[root@localhost google]# ./san
[root@localhost google]#

Download Linux Device Drivers PDF Read All 19 Linux Device Drivers Questions

Previous Question	Next Question
Which one of the following is not true? a) dynamic allocation of major numbers is not possible b) major number can not be shared among drivers c) both (a) and (b) d) none of the mentioned	What is the output of this program? #include<stdio.h> #inlcude<stdlib.h> int main() { int ptr; double ptr; printf("%dn",sizeof(ptr)); return 0; } a) 4 b) 8 c) the compiler will give the error d) segmentaion fault

Device Drivers Question:

What is the output of this program? #include<stdio.h> #include<stdlib.h> #include<string.h> int main() { int ptr; ptr = (int)malloc(sizeof(int)*10); return 0; } a) syntax error b) segmentaion fault c) run time error d) none of the mentioned

Answer:

What is the output of this program?

#include<stdio.h>
#include<stdlib.h>
#include<string.h>

int main()
{
int ptr;
ptr = (int)malloc(sizeof(int)*10);
return 0;
}
a) syntax error
b) segmentaion fault
c) run time error
d) none of the mentioned