In c: 1. Write any program to do segmentation fault. 2. Program to do for toggling at a certain position with call back usage. 3. Write a program reverse words in string. 4. Rotate the particular bit in the right side whatever position passed In linux : Use two threads and print even and odd with Mutex synchronisation technique. Difference between kernelspace and userspace. Wireless: Wifi client communication Prplos/openwrt: 1.Explain about ambrorix. 2. Explain mainly libamxo,libamxrt and libamxd. 3. Explain about LCM and usage of cthulhu, rlyeh and timingila on it.