diff --git a/limitcheck.c b/limitcheck.c
index 96d01bc..2f7559c 100644
--- a/limitcheck.c
+++ b/limitcheck.c
@@ -1,12 +1,12 @@
 /*
- limitcheck.c - given a user, drop privileges and check ulimits
-
- Compile: gcc -o limitcheck limitcheck.c
- Use:     sudo ./limitcheck <user>
-
- Author:  Troy Engel
- License: APL 2.0
-*/
+ * limitcheck.c - given a user, drop privileges and check ulimits
+ *
+ * Compile: gcc -o limitcheck limitcheck.c
+ * Use:     sudo ./limitcheck <user>
+ *
+ * Author:  Troy Engel
+ * License: APL 2.0
+ */
 
 #include <sys/types.h>
 #include <sys/resource.h>
@@ -16,7 +16,13 @@
 #include <pwd.h>
 #include <grp.h>
 
-static int drop_privileges(const char *user) {
+/*
+ * portions of this cribbed from tcpdump; it's important it's done in
+ * a very specific order - initgroups for validity, then group, then
+ * user.
+ */
+static int drop_privileges(const char *user)
+{
   struct passwd *pw = NULL;
   pw = getpwnam(user);
   if (pw) {
@@ -36,44 +42,67 @@ static int drop_privileges(const char *user) {
   }
 }
 
-static void print_limits() {
+/* /usr/include/bits/resource.h */
+static void print_limits()
+{
   struct rlimit rl;
 
-  fprintf(stdout, "                %11s %11s\n", "soft", "hard");
+  fprintf(stdout, "%15s %11s %11s\n",
+    " ", "soft", "hard");
 
+  /*
+   * this could be done as a tagged, multidimensional array using a struct
+   * with an enum, the work involved in C is a pain - the natural state in
+   * C is all array elements are the same type and size, mixed int + char
+   * are horrible to code around. doing it one by one is simpler code.
+   */
   getrlimit(RLIMIT_CORE, &rl);
-  fprintf(stdout, "core file size: %11d %11d\n", (long long int)rl.rlim_cur,
+  fprintf(stdout, "%15s %11d %11d\n",
+    "core file size:",
+    (long long int)rl.rlim_cur,
     (long long int)rl.rlim_max);
 
   getrlimit(RLIMIT_CPU, &rl);
-  fprintf(stdout, "cpu time:       %11d %11d\n", (long long int)rl.rlim_cur,
+  fprintf(stdout, "%15s %11d %11d\n",
+    "cpu time:",
+    (long long int)rl.rlim_cur,
     (long long int)rl.rlim_max);
 
   getrlimit(RLIMIT_DATA, &rl);
-  fprintf(stdout, "data seg size:  %11d %11d\n", (long long int)rl.rlim_cur,
+  fprintf(stdout, "%15s %11d %11d\n",
+    "data seg size:",
+    (long long int)rl.rlim_cur,
     (long long int)rl.rlim_max);
 
   getrlimit(RLIMIT_FSIZE, &rl);
-  fprintf(stdout, "file size:      %11d %11d\n", (long long int)rl.rlim_cur,
+  fprintf(stdout, "%15s %11d %11d\n",
+    "file size:",
+    (long long int)rl.rlim_cur,
     (long long int)rl.rlim_max);
 
   getrlimit(RLIMIT_NOFILE, &rl);
-  fprintf(stdout, "open files:     %11d %11d\n", (long long int)rl.rlim_cur,
+  fprintf(stdout, "%15s %11d %11d\n",
+    "open files:",
+    (long long int)rl.rlim_cur,
     (long long int)rl.rlim_max);
 
   getrlimit(RLIMIT_STACK, &rl);
-  fprintf(stdout, "stack size:     %11d %11d\n", (long long int)rl.rlim_cur,
+  fprintf(stdout, "%15s %11d %11d\n",
+    "stack size:",
+    (long long int)rl.rlim_cur,
     (long long int)rl.rlim_max);
 
   getrlimit(RLIMIT_AS, &rl);
-  fprintf(stdout, "memory size:    %11d %11d\n", (long long int)rl.rlim_cur,
+  fprintf(stdout, "%15s %11d %11d\n",
+    "memory size:",
+    (long long int)rl.rlim_cur,
     (long long int)rl.rlim_max);
 
 }
 
-int main(int argc, char **argv) {
-
-  /* we only accept one argument - the user to check */
+/* we only accept one argument - the user to check */
+int main(int argc, char **argv)
+{
   if (argc == 2) {
     if (drop_privileges(argv[1]) == 0) {
       print_limits();