keep state around across 4k reads

move out_n declaration to other declarations, for clarity

make local functions static

add function keys and KP1

fix page-down literal

make is_control's for loop condition more explicit

early return if len(haystack)<len(needle)

switch to compile-time strlens for control sequences

replace strncmp with memcmp, make min() a macro

switch to array of control sequences

add comments

Update README.md

Create LICENSE

add explanation

initial commit