44318fb2f9
netgraph(3) points to #include <netgraph/netgraph.h>, which is kernel only. The man page refers to the user-space part of the netgraph module, which is located in <netgraph.h>. Submitted by: lutz_donnerhacke.de Approved by: bcr Differential Revision: https://reviews.freebsd.org/D23814