is_selinux_enabled - check whether SELinux is enabled
is_selinux_mls_enabled - check whether SELinux is enabled for (Multi Level Securty) MLS
#include <selinux/selinux.h> int is_selinux_enabled(); int is_selinux_mls_enabled();
is_selinux_enabled returns 1 if SELinux is running or 0 if it is not. On error, -1 is returned. is_selinux_mls_enabled returns 1 if SELinux is running in MLS mode or 0 if it is not.
selinux(8)