2.11BSD#431 - /usr/src/usr.bin/patch/config.h

   1: /* config.h
   2:  * This file was produced by running the config.h.SH script, which
   3:  * gets its values from config.sh, which is generally produced by
   4:  * running Configure.
   5:  *
   6:  * Feel free to modify any of this as the need arises.  Note, however,
   7:  * that running config.h.SH again will wipe out any changes you've made.
   8:  * For a more permanent change edit config.sh and rerun config.h.SH.
   9:  */
  10: 
  11: 
  12: /* EUNICE:
  13:  *	This symbol, if defined, indicates that the program is being compiled
  14:  *	under the EUNICE package under VMS.  The program will need to handle
  15:  *	things like files that don't go away the first time you unlink them,
  16:  *	due to version numbering.  It will also need to compensate for lack
  17:  *	of a respectable link() command.
  18:  */
  19: /* VMS:
  20:  *	This symbol, if defined, indicates that the program is running under
  21:  *	VMS.  It is currently only set in conjunction with the EUNICE symbol.
  22:  */
  23: #/*undef	EUNICE		/**/
  24: #/*undef	VMS		/**/
  25: 
  26: /* CPPSTDIN:
  27:  *	This symbol contains the first part of the string which will invoke
  28:  *	the C preprocessor on the standard input and produce to standard
  29:  *	output.	 Typical value of "cc -E" or "/lib/cpp".
  30:  */
  31: /* CPPMINUS:
  32:  *	This symbol contains the second part of the string which will invoke
  33:  *	the C preprocessor on the standard input and produce to standard
  34:  *	output.  This symbol will have the value "-" if CPPSTDIN needs a minus
  35:  *	to specify standard input, otherwise the value is "".
  36:  */
  37: #define CPPSTDIN "/lib/cpp"
  38: #define CPPMINUS ""
  39: 
  40: /* CHARSPRINTF:
  41:  *	This symbol is defined if this system declares "char *sprintf()" in
  42:  *	stdio.h.  The trend seems to be to declare it as "int sprintf()".  It
  43:  *	is up to the package author to declare sprintf correctly based on the
  44:  *	symbol.
  45:  */
  46: #define CHARSPRINTF     /**/
  47: 
  48: /* FLEXFILENAMES:
  49:  *	This symbol, if defined, indicates that the system supports filenames
  50:  *	longer than 14 characters.
  51:  */
  52: #/*undef	FLEXFILENAMES		/**/
  53: 
  54: /* index:
  55:  *	This preprocessor symbol is defined, along with rindex, if the system
  56:  *	uses the strchr and strrchr routines instead.
  57:  */
  58: /* rindex:
  59:  *	This preprocessor symbol is defined, along with index, if the system
  60:  *	uses the strchr and strrchr routines instead.
  61:  */
  62: #/*undef	index strchr	/* cultural */
  63: #/*undef	rindex strrchr	/*  differences? */
  64: 
  65: /* VOIDSIG:
  66:  *	This symbol is defined if this system declares "void (*signal())()" in
  67:  *	signal.h.  The old way was to declare it as "int (*signal())()".  It
  68:  *	is up to the package author to declare things correctly based on the
  69:  *	symbol.
  70:  */
  71: #/*undef	VOIDSIG 	/**/
  72: 
  73: /* Reg1:
  74:  *	This symbol, along with Reg2, Reg3, etc. is either the word "register"
  75:  *	or null, depending on whether the C compiler pays attention to this
  76:  *	many register declarations.  The intent is that you don't have to
  77:  *	order your register declarations in the order of importance, so you
  78:  *	can freely declare register variables in sub-blocks of code and as
  79:  *	function parameters.  Do not use Reg<n> more than once per routine.
  80:  */
  81: 
  82: #define Reg1 register       /**/
  83: #define Reg2 register       /**/
  84: #define Reg3 register       /**/
  85: #define Reg4        /**/
  86: #define Reg5        /**/
  87: #define Reg6        /**/
  88: #define Reg7        /**/
  89: #define Reg8        /**/
  90: #define Reg9        /**/
  91: #define Reg10       /**/
  92: #define Reg11       /**/
  93: #define Reg12       /**/
  94: #define Reg13       /**/
  95: #define Reg14       /**/
  96: #define Reg15       /**/
  97: #define Reg16       /**/
  98: 
  99: /* VOIDFLAGS:
 100:  *	This symbol indicates how much support of the void type is given by this
 101:  *	compiler.  What various bits mean:
 102:  *
 103:  *	    1 = supports declaration of void
 104:  *	    2 = supports arrays of pointers to functions returning void
 105:  *	    4 = supports comparisons between pointers to void functions and
 106:  *		    addresses of void functions
 107:  *
 108:  *	The package designer should define VOIDUSED to indicate the requirements
 109:  *	of the package.  This can be done either by #defining VOIDUSED before
 110:  *	including config.h, or by defining defvoidused in Myinit.U.  If the
 111:  *	level of void support necessary is not present, defines void to int.
 112:  */
 113: #ifndef VOIDUSED
 114: #define VOIDUSED 7
 115: #endif
 116: #define VOIDFLAGS 7
 117: #if (VOIDFLAGS & VOIDUSED) != VOIDUSED
 118: #define void int        /* is void to be avoided? */
 119: #define M_VOID      /* Xenix strikes again */
 120: #endif

Defined macros

Usage of this include