wcswidth3
Number of column positions in wide-character string
Usage
#include <wchar.h>
int
wcswidth(const wchar_t *pwcs, size_t n);
Library
Standard C Library (libc, -lc)
Overview
The wcswidth() function determines the number of column positions required for the first n characters of pwcs, or until a null wide character (L'\0') is encountered.
Return values
The wcswidth() function returns 0 if pwcs is an empty string (L""), -1 if a non-printing wide character is encountered, otherwise it returns the number of column positions occupied.
Releases
56 releases since FreeBSD 5.0-RELEASE; the text changed 32 times.