iso646.h - alternative spellings
[CX] The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of IEEE Std 1003.1-2001 defers to the ISO C standard.
The <iso646.h> header shall define the following eleven macros (on the left) that expand to the corresponding tokens (on the right):
First released in Issue 5. Derived from ISO/IEC 9899:1990/Amendment 1:1995 (E).