How to get the return value of a program ran via calling a member of the exec family of functions?

Question

I know that it is possible to read commands output with a pipe? But what about getting return value ? For example i want to execute:

execl(\"/bin/ping\", \"/         


        

Answer 1

You can wait on the child process and get its exit status. The system call is wait(pid), try to read about it.