/*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * %sccs.include.redist.c% * * @(#)ansi.h 7.4 (Berkeley) 05/26/93 */ #ifndef _ANSI_H_ #define _ANSI_H_ /* * Types which are fundamental to the implementation and may appear in * more than one standard header are defined here. Standard headers * then use: * #ifdef _BSD_SIZE_T_ * typedef _BSD_SIZE_T_ size_t; * #undef _BSD_SIZE_T_ * #endif * * Thanks, ANSI! */ #define _BSD_CLOCK_T_ unsigned long /* clock() */ #define _BSD_PTRDIFF_T_ int /* ptr1 - ptr2 */ #define _BSD_SIZE_T_ unsigned int /* sizeof() */ #define _BSD_SSIZE_T_ int /* byte count or error */ #define _BSD_TIME_T_ long /* time() */ #define _BSD_VA_LIST_ char * /* va_list */ /* * Runes (wchar_t) is declared to be an ``int'' instead of the more natural * ``unsigned long'' or ``long''. Two things are happening here. It is not * unsigned so that EOF (-1) can be naturally assigned to it and used. Also, * it looks like 10646 will be a 31 bit standard. This means that if your * ints cannot hold 32 bits, you will be in trouble. The reason an int was * chosen over a long is that the is*() and to*() routines take ints (says * ANSI C), but they use _RUNE_T_ instead of int. By changing it here, you * lose a bit of ANSI conformance, but your programs will still work. * * Note that _WCHAR_T_ and _RUNE_T_ must be of the same type. When wchar_t * and rune_t are typedef'd, _WCHAR_T_ will be undef'd, but _RUNE_T remains * defined for ctype.h. */ #define _BSD_WCHAR_T_ int /* wchar_t */ #define _BSD_RUNE_T_ int /* rune_t */ #endif /* _ANSI_H_ */