===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/less/os.c,v
retrieving revision 1.17
retrieving revision 1.18
diff -c -r1.17 -r1.18
*** src/usr.bin/less/os.c	2019/06/28 13:35:01	1.17
--- src/usr.bin/less/os.c	2019/09/03 23:08:42	1.18
***************
*** 27,33 ****
  
  #include "less.h"
  
- extern volatile sig_atomic_t sigs;
  
  /*
   * Like read() system call, but is deliberately interruptible.
--- 27,32 ----