selinux_policy_root (3) - Linux Manuals
selinux_policy_root: return the path of the SELinux policy files for this machine
NAME
selinux_policy_root - return the path of the SELinux policy files for this machine selinux_set_policy_root - Set an alternate SELinux root path for the SELinux policy files for this machine.
SYNOPSIS
#include <selinux/selinux.h>const char *selinux_policy_root(void);
int selinux_set_policy_root(const char *policypath);
DESCRIPTION
selinux_policy_root() reads the contents of the /etc/selinux/config file to determine which policy files should be used for this machine. selinux_set_policy_root() sets up all policy paths based on the alternate root/etc/selinux/config file to determine which policy files should be used for this machine.
RETURN VALUE
On success, selinux_policy_root returns a directory path containing the SELinux policy files. On failure, selinux_policy_root returns NULL.On success, selinux_set_policy_root returns 0 on success -1 on failure.