Penguin

WCWIDTH

WCWIDTH

NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO SEE ALSO NOTES


NAME

wcwidth - determine columns needed for a wide character

SYNOPSIS

#include c);

DESCRIPTION

The wcwidth function returns the number of columns needed to represent the wide character c. If c is a printable wide character, the value is at least 0. If c is L'0', the value is 0. Otherwise -1 is returned.

RETURN VALUE

The wcwidth function returns the number of column positions for c.

CONFORMING TO

UNIX98

SEE ALSO

wcswidth(3), iswprint(3)

NOTES

The behaviour of wcwidth depends on the LC_CTYPE category of the current locale.


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