14 duplicated lines in:
  - libftl/posix/threads.h (51:68, 53%)
  - libftl/win32/threads.h (43:60, 70%)

11 duplicated lines in:
  - libftl/posix/socket.h (7:17, 91%)
  - libftl/win32/socket.h (1:11, 100%)

9 duplicated lines in:
  - libftl/posix/socket.c (75:89, 21%)
  - libftl/win32/socket.c (66:80, 20%)