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-rw-r--r--grp/testgrp.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/grp/testgrp.c b/grp/testgrp.c
new file mode 100644
index 0000000..109d1a4
--- /dev/null
+++ b/grp/testgrp.c
@@ -0,0 +1,45 @@
+#include <ansidecl.h>
+#include <grp.h>
+#include <pwd.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+int
+DEFUN_VOID(main)
+{
+ uid_t me;
+ struct passwd *my_passwd;
+ struct group *my_group;
+ char **members;
+
+ me = getuid ();
+ my_passwd = getpwuid (me);
+ if (my_passwd == NULL)
+ perror ("getpwuid");
+ else
+ {
+ printf ("My login name is %s.\n", my_passwd->pw_name);
+ printf ("My uid is %d.\n", (int)(my_passwd->pw_uid));
+ printf ("My home directory is %s.\n", my_passwd->pw_dir);
+ printf ("My default shell is %s.\n", my_passwd->pw_shell);
+
+ my_group = getgrgid (my_passwd->pw_gid);
+ if (my_group == NULL)
+ perror ("getgrgid");
+ else
+ {
+ printf ("My default group is %s (%d).\n",
+ my_group->gr_name, (int)(my_passwd->pw_gid));
+ printf ("The members of this group are:\n");
+ for (members = my_group->gr_mem; *members != NULL; ++members)
+ printf (" %s\n", *members);
+ }
+ }
+
+ exit (my_passwd && my_group ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+
+
+