iso646.md

iso646.h - Alternative Spellings

Category: 📂 std/ (C Standard Library)
Header: <iso646.h>
Scope: C95, C99, C11

The iso646.h header defines several macros that expand to alternative spellings for bitwise and logical operators.

Facilities Overview

Macro	Equivalent
and	&&
and_eq	&=
bitand	&
bitor
compl	~
not	!
not_eq	!=
or
or_eq
xor	^
xor_eq	^=

---

Types & Variables

Operator Macros

These macros are useful in environments where the primary character set does not contain the standard C operators.

Example

#include <iso646.h>
#include <stdio.h>

int main(void) {
    if (1 and 1) {
        printf("Standard 'and' works!\n");
    }
    return 0;
}