prefix_filename: move docstring to header file
commit598019769cbaa38495b0c04297efa13d0f4a572e
authorJeff King <peff@peff.net>
Tue, 21 Mar 2017 01:21:27 +0000 (20 21:21 -0400)
committerJunio C Hamano <gitster@pobox.com>
Tue, 21 Mar 2017 18:12:52 +0000 (21 11:12 -0700)
tree2755340618d02a7027fe54f25a875e7caccaddc4
parenta1be47e4ca65718ec239e4b86a44e45220237aee
prefix_filename: move docstring to header file

This is a public function, so we should make its
documentation available near the declaration.

While we're at it, we can give a few details about how it
works.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
abspath.c
cache.h