WCWIDTH
NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO SEE ALSO NOTES
wcwidth - determine columns needed for a wide character
#include c);
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.
The wcwidth function returns the number of column positions for c.
UNIX98
The behaviour of wcwidth depends on the LC_CTYPE category of the current locale.
3 pages link to wcwidth(3):
