user: implement mlibc as the libc, finally.

It's finally done..

Signed-off-by: kaguya <vpshinomiya@protonmail.com>

user/include/mlibc/sysdeps/ironclad/generic/mac.cpp

@@ -0,0 +1,32 @@
+#include <sys/syscall.h>
+#include <sys/mac.h>
+#include <errno.h>
+#include <string.h>
+
+extern "C" {
+
+unsigned long get_mac_capabilities(void) {
+	int ret;
+	SYSCALL0(SYSCALL_GET_MAC_CAPABILITIES);
+	return ret;
+}
+
+int set_mac_capabilities(unsigned long request) {
+	int ret;
+	SYSCALL1(SYSCALL_SET_MAC_CAPABILITIES, request);
+	return ret;
+}
+
+int add_mac_permissions(const char *path, int flags) {
+	int ret;
+	SYSCALL3(SYSCALL_ADD_MAC_PERMISSIONS, path, strlen(path), flags);
+	return ret;
+}
+
+int set_mac_enforcement(unsigned long enforcement) {
+	int ret;
+	SYSCALL1(SYSCALL_SET_MAC_ENFORCEMENT, enforcement);
+	return ret;
+}
+
+}