From WikiChip
compl macro - <iso646.h> - C
< c‎ | iso646.h

The compl macro, which is part of <iso646.h>, is a convenient object-like macro name that expands to the ~ operator. The macro was added in Normative Addendum 1 in an effort to provide support for international character sets that might not have the ~ symbols.

Synopsis[edit]

#include <iso646.h>
#define compl ~

Description[edit]

The compl object-like macro expands to the ~ operator.

Example[edit]

#include <iso646.h>

int main ()
{
    return compl 1;
}