In file included from system.c:40:
/usr/include/sys/wait.h:111: duplicate member `w_Filler'
/usr/include/sys/wait.h:112: duplicate member `w_Retcode'
/usr/include/sys/wait.h:113: duplicate member `w_Coredump'
/usr/include/sys/wait.h:114: duplicate member `w_Termsig'
/usr/include/sys/wait.h:129: duplicate member `w_Filler'
/usr/include/sys/wait.h:130: duplicate member `w_Stopsig'
/usr/include/sys/wait.h:131: duplicate member `w_Stopval'
