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1003.1-90 #80 _____________________________________________________________________________ Interpretation Number: XXXX Topic: Referenced C Language functions Relevant Sections: 8.1 Interpretation Request: (Defect Report) ----------------------- Interpretation Request for: IEEE Std 1003.1-1990 (ISO 9945-1:1990) as contained in: ISO/IEC 9945-1:1996(E), ANSI/IEEE Std. 1003.1, 1996 Edition. Subsection 8.1, Page 205, Line 13-35. Question: Many of the ISO C standard functions (including but not limited to localeconv() and strerror()) have been omitted from the list in section 8.1. This would imply that this POSIX standard does not comprise the omitted functions, yet other parts of the standard, reference the omitted functions (e.g. Annex C and subsection 2.3.9, which references ALL functions defined by the C standard). Is this an intentional ommission in section 8.1? Suggested Correction: Add localeconv(), strerror(), and all the other ISO C library functions documented in Annex C (e.g. fgetpos()) to this list. Interpretation response ------------------------ This omission was intentional. Rationale ------------- The functions listed in subsection 8.1 are a subset of widely available C library functions, chosen to be easily implemented on systems that pre-dated the C Standard. There is no need to mandate support for the full C Standard in IEEE Std 1003.1. Profile writers who wish to require such support should reference ISO/IEC 9989 as well as IEEE Std 1003.1-1996. Note that in Annex C the C library identifiers that are not required in all conforming implementations of IEEE Std 1003.1 are distinguished with asterisks to emphasize that they're included for informative and illustrative purposes and not to imply a requirement. Forwarded to Interpretations group: Dec 9 1996 Proposed resolution: 23 Feb 1997 Finalised: April 17th 1997