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ISO646(3) Library Functions Manual ISO646(3) NAME iso646 - alternative operator spellings SYNOPSIS #include <iso646.h> DESCRIPTION The <iso646.h> header defines eleven alternative spellings for standard operators: 1. and && 2. and_eq &= 3. bitand & 4. bitor | 5. compl ~ 6. not ! 7. not_eq != 8. or || 9. or_eq |= 10. xor ^ 11. xor_eq ^= Each macro expands to the corresponding token. RATIONALE None. SEE ALSO operator(7) STANDARDS The <iso646.h> header conforms to ANSI X3.159-1989 ("ANSI C89"). HISTORY The <iso646.h> header was first introduced in NetBSD 1.1. NetBSD 10.99 December 16, 2010 NetBSD 10.99