please do the problem in C language and show output

5. (10 pts) Write a simple test program to find out PIDs of ALL ancestor (i.e., parent, grandparent) processes of the current process or a given process specified by a PID. A parent process's PID of a given process pid can be found in /proc/Spid/status 5. (10 pts) Write a simple test program to find out PIDs of ALL ancestor (i.e., parent, grandparent ) processes of the current process or a given process specified by a PID. A parent process's PID of a given process pid can be found in /proc/Spid/status