diff options
Diffstat (limited to 'errno.h')
| -rw-r--r-- | errno.h | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -22,14 +22,21 @@ Cambridge, MA 02139, USA. */ #ifndef _ERRNO_H +/* The includer defined __need_Emath if he wants only the definitions + of EDOM and ERANGE, and not everything else. */ +#ifndef __need_Emath #define _ERRNO_H 1 #include <features.h> +#endif __BEGIN_DECLS -/* Get the error number constants. */ +/* Get the error number constants from the system-specific file. + This file will test __need_Emath and _ERRNO_H. */ #include <errnos.h> +#undef __need_Emath +#ifdef _ERRNO_H /* Declare the `errno' variable. */ extern int errno; @@ -41,5 +48,6 @@ extern char *program_invocation_name, *program_invocation_short_name; #endif __END_DECLS +#endif #endif /* errno.h */ |