Extract file_search.c from misc2.c

Continue to split misc2.c in many other files (see #209).

The only changed I made to the moved code was adding
`vim_free(ff_expand_buffer)` to `free_finfile()`. This is was needed
because `ff_expand_buffer` was moved from `misc2.c` to `file_search.c`.

1 files changed, 23 insertions, 0 deletions

diff --git a/src/file_search.h b/src/file_search.h
new file mode 100644
index 0000000000..3ea1d84a1b
--- /dev/null
+++ b/src/file_search.h
@@ -0,0 +1,23 @@
+#ifndef NEOVIM_FIND_FILE_H
+#define NEOVIM_FIND_FILE_H
+
+void *vim_findfile_init __ARGS((char_u *path, char_u *filename, char_u *
+                                stopdirs, int level, int free_visited,
+                                int find_what, void *search_ctx_arg,
+                                int tagfile,
+                                char_u *rel_fname));
+char_u *vim_findfile_stopdir __ARGS((char_u *buf));
+void vim_findfile_cleanup __ARGS((void *ctx));
+char_u *vim_findfile __ARGS((void *search_ctx_arg));
+void vim_findfile_free_visited __ARGS((void *search_ctx_arg));
+char_u *find_file_in_path __ARGS((char_u *ptr, int len, int options, int first,
+                                  char_u *rel_fname));
+void free_findfile __ARGS((void));
+char_u *find_directory_in_path __ARGS((char_u *ptr, int len, int options,
+                                       char_u *rel_fname));
+char_u *find_file_in_path_option __ARGS((char_u *ptr, int len, int options,
+                                         int first, char_u *path_option,
+                                         int find_what, char_u *rel_fname,
+                                         char_u *suffixes));
+
+#endif /* NEOVIM_FIND_FILE_H */