diff -ur a/proc/whattime.c b/proc/whattime.c
--- a/proc/whattime.c	2022-05-04 07:08:11.390000000 +0000
+++ b/proc/whattime.c	2022-05-04 07:08:42.860000000 +0000
@@ -33,7 +33,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <time.h>
-#include <utmp.h>
+#include <utmpx.h>
 #include <sys/ioctl.h>
 #include "whattime.h"
 #include "sysinfo.h"
@@ -42,7 +43,7 @@
 static double av[3];
 
 char *sprint_uptime(int human_readable) {
-  struct utmp *utmpstruct;
+  struct utmpx *utmpstruct;
   int upminutes, uphours, updays, upweeks, upyears, updecades;
   int pos;
   int comma;
@@ -98,13 +99,13 @@
 /* count the number of users */
 
     numuser = 0;
-    setutent();
-    while ((utmpstruct = getutent())) {
+    setutxent();
+    while ((utmpstruct = getutxent())) {
       if ((utmpstruct->ut_type == USER_PROCESS) &&
          (utmpstruct->ut_name[0] != '\0'))
         numuser++;
     }
-    endutent();
+    endutxent();
 
     pos += sprintf(buf + pos, "%2d user%s, ", numuser, numuser == 1 ? "" : "s");