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- From: jeffrey@algor2.algorists.com (Jeffrey Kegler)
-
- In article <436@longway.TIC.COM> Andy Tanenbaum <uunet!cs.vu.nl!ast> writes:
- >From: Andy Tanenbaum <uunet!cs.vu.nl!ast>
- >
- >The ANSI C standard specifically states that it is legal for an
- >application program to include the ANSI headers (e.g., <limits.h>)
- >multiple times in a program.
- >
- >What about the POSIX headers that are not in the ANSI std, such as
- ><unistd.h> and <sys/wait.h>. Is an implementation required to behave
- >correctly if they are included multiple times? If so, could somebody
- >point out the section in P1003.1 where this is stated.
-
- >From 2.8.1 of 1003.1: "Additionally, the C Standard requires that it
- be possible to include a header more than once, and that a symbol may
- be defined in more than one header. This requirement is also made of
- headers for this standard." This seems to say yes in answer to the
- above question.
- --
-
- Jeffrey Kegler, Independent UNIX Consultant, Algorists, Inc.
- jeffrey@algor2.ALGORISTS.COM or uunet!algor2!jeffrey
- 1762 Wainwright DR, Reston VA 22090
-
- Volume-Number: Volume 17, Number 68
-
-
-