$ lsb_release -ds
Ubuntu 16.04.2 LTS
$ LESS="+/^\s+-type c" man find
-type c
File is of type c:
b block (buffered) special
c character (unbuffered) special
d directory
p named pipe (FIFO)
f regular file
l symbolic link; this is never true if the -L option or the -follow option is in effect, unless the symbolic link is broken.
If you want to search for symbolic links when -L is in effect, use -xtype.
s socket
D door (Solaris)