+.sp
+#include <libmemcached/memcached.h>
+.INDENT 0.0
+.TP
+.B void *memcached_get_user_data(memcached_st\fI\ *ptr\fP)
+.UNINDENT
+.INDENT 0.0
+.TP
+.B void *memcached_set_user_data(memcached_st\fI\ *ptr\fP, void\fI\ *data\fP)
+.UNINDENT
+.sp
+Compile and link with \-lmemcached