Forms and catching keys

[Dulek]

I have two problems with writing app under ncurses.

First one is with fields in ncurses forms. I want to create a field, where
user can enter path to open. Unfortunately when I create it and enter some
characters, I'm getting empty buffer with field_buffer function. This is my
function:  http://pastebin.com/UAY4DU1U http://pastebin.com/UAY4DU1U .
What's wrong with it?

Another problem is with catching Ctrl+Home and Ctrl+End keys. Keycodes for
Home and for Ctrl+Home are the same. I have no idea how to make a workaround
for this issue.

I'm looking forward to getting any help! 
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