Here is a list of all documented variables with links to the struct/union documentation for each field:

A

B

C

D

E

F

G

H

I

K

L

M

N

O

P

R

S

T

U

V

W

- f -

• file : svn_error_t
• file_added : svn_wc_diff_callbacks2_t, svn_wc_diff_callbacks3_t, svn_wc_diff_callbacks4_t, svn_wc_diff_callbacks_t
• file_changed : svn_wc_diff_callbacks2_t, svn_wc_diff_callbacks3_t, svn_wc_diff_callbacks4_t, svn_wc_diff_callbacks_t
• file_deleted : svn_wc_diff_callbacks2_t, svn_wc_diff_callbacks3_t, svn_wc_diff_callbacks4_t, svn_wc_diff_callbacks_t
• file_external : svn_client_status_t, svn_wc_status2_t, svn_wc_status3_t
• file_external_path : svn_wc_entry_t
• file_external_peg_rev : svn_wc_entry_t
• file_external_rev : svn_wc_entry_t
• file_handle_count : svn_cache_config_t
• file_opened : svn_wc_diff_callbacks4_t
• filesize : svn_client_status_t, svn_io_dirent2_t, svn_wc_status3_t
• fingerprint : svn_auth_ssl_server_cert_info_t
• finish_report : svn_ra_reporter2_t, svn_ra_reporter_t
• first_credentials : svn_auth_provider_t
• found_entry : svn_wc_entry_callbacks2_t, svn_wc_entry_callbacks_t
• fs_type : svn_fs_fsfs_info_t, svn_fs_fsx_info_t, svn_fs_info_placeholder_t