#ifdef __FreeBSD__
#include <sys/param.h>
#include <sys/systm.h>
#endif /* __FreeBSD__ */



In file included from oslevel.c:31:
/usr/include/sys/systm.h:278: error: syntax error before "splbio"
/usr/include/sys/systm.h:279: error: syntax error before "splcam"
/usr/include/sys/systm.h:280: error: syntax error before "splclock"
/usr/include/sys/systm.h:281: error: syntax error before "splhigh"
/usr/include/sys/systm.h:282: error: syntax error before "splimp"
/usr/include/sys/systm.h:283: error: syntax error before "splnet"
/usr/include/sys/systm.h:284: error: syntax error before "splsoftcam"
/usr/include/sys/systm.h:285: error: syntax error before "splsoftclock"
/usr/include/sys/systm.h:286: error: syntax error before "splsofttty"
/usr/include/sys/systm.h:287: error: syntax error before "splsoftvm"
/usr/include/sys/systm.h:288: error: syntax error before "splsofttq"
/usr/include/sys/systm.h:289: error: syntax error before "splstatclock"
/usr/include/sys/systm.h:290: error: syntax error before "spltty"
/usr/include/sys/systm.h:291: error: syntax error before "splvm"
/usr/include/sys/systm.h:292: error: syntax error before "ipl"
In file included from oslevel.c:31:
/usr/include/sys/systm.h:38:1: unterminated #ifndef
oslevel.c:29:1: unterminated #ifdef
*** Error code 1