GTK+ is supposed to use glib. There is a nice g_get_home_dir function
in glib wich is a nice portable replacement for getenv("HOME") wich is
used in gtkrc.c
ChangeLog entry:
1999-01-23 Marin Purgar - PMC <
[email protected]>
* gtkrc.c (gtk_rc_append_default_module_path): use
g_get_home_dir instead of getenv("HOME")