1: /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1984. */
   2: /* $Header: unix.h,v 2.4 85/08/22 16:09:55 timo Exp $ */
   3: 
   4: /*
   5:  * B editor -- inventory of available UNIX features.
   6:  */
   7: 
   8: #ifdef BSD
   9: #define VFORK   /* 4.x BSD vfork() system call available */
  10: #endif
  11: 
  12: #ifdef BSD4_2
  13: #define SELECT  /* 4.2 BSD select() system call available */
  14: #endif
  15: 
  16: #define SIGNAL  /* can #include <signal.h> (v7 or any BSD compatible) */
  17: #define SETJMP  /* can #include <setjmp.h> */
  18: #define SGTTY_H /* can #include <sgtty.h> (at least v7 compatible) */
  19: 
  20: #define PERROR  /* can use perror(), sys_errlist and sys_nerr */
  21: 
  22: /* #define PWB */   /* Turn on for PWB/UNIX systems without getenv etc. */

Defined macros

PERROR defined in line 20; used 2 times
SELECT defined in line 13; used 3 times
SETJMP defined in line 17; never used
SIGNAL defined in line 16; used 11 times
VFORK defined in line 9; used 2 times

Usage of this include

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