C: check-root-user.c

code/C/System/check-root-user.c

@@ -0,0 +1,18 @@
+/**
+ * https://man.openbsd.org/getuid
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+
+void main(int argc, char const *argv[]) {
+  uid_t user = getuid();
+  uid_t privs = geteuid();
+  printf("User: %u\n", user);
+  printf("Privs: %u\n", privs);
+
+  puts("::");
+
+  char *login = getlogin();
+  printf("%s\n", login);
+}