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All Sections 1. General Commands 2. System Calls 3. Subroutines 4. Special Files 5. File Formats 6. Games and Demos 7. Macros and Conventions 8. Maintenence Commands

 

NAME

wcswidth - determine columns needed for a fixed-size wide character string  

SYNOPSIS

#include <wchar.h>

int wcswidth(const wchar_t *s, size_t n);

 

DESCRIPTION

The wcswidth function returns the number of columns needed to represent the wide-character string pointed to by s, but at most n wide characters. If a non-printable wide character occurs among these characters, -1 is returned.  

RETURN VALUE

The wcswidth function returns the number of column positions for the wide-character string s, truncated to at most length n.  

CONFORMING TO

UNIX98  

SEE ALSO

wcwidth(3), iswprint(3)  

NOTES

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

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Index

NAME

SYNOPSIS

DESCRIPTION

RETURN VALUE

CONFORMING TO

SEE ALSO

NOTES