Verbal operators

Names specified for `<iso646.h>`, “Verbal operators”
Name	Description	Notes			Source
`and`	Logical AND operator	L	M	+	`<iso646.h>`	C95	C99	C11
`and_eq`	Bitwise AND assignment operator	L	M	+	`<iso646.h>`	C95	C99	C11
`bitand`	Bitwise AND operator	L	M	+	`<iso646.h>`	C95	C99	C11
`bitor`	Bitwise OR operator	L	M	+	`<iso646.h>`	C95	C99	C11
`compl`	Bitwise complement operator	L	M	+	`<iso646.h>`	C95	C99	C11
`not`	Logical NOT operator	L	M	+	`<iso646.h>`	C95	C99	C11
`not_eq`	Inequality operator	L	M	+	`<iso646.h>`	C95	C99	C11
`or`	Logical OR operator	L	M	+	`<iso646.h>`	C95	C99	C11
`or_eq`	Bitwise OR assignment operator	L	M	+	`<iso646.h>`	C95	C99	C11
`xor`	Bitwise XOR operator	L	M	+	`<iso646.h>`	C95	C99	C11
`xor_eq`	Bitwise XOR assignment operator	L	M	+	`<iso646.h>`	C95	C99	C11

This header is available in C95, C99 and C11.

The header <iso646.h> defines several macros that expand to the following tokens:

Macro	Expansion
`not_eq`	`!=`
`not`	`!`
`and`	`&&`
`or`	`\|\|`
`compl`	`~`
`bitand`	`&`
`and_eq`	`&=`
`bitor`	`\|`
`or_eq`	`\|=`
`xor`	`^`
`xor_eq`	`^=`

The Wikipedia article on C alternative tokens explains that some of the punctuation characters used for these operators may be difficult to type on some keyboards.