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wcwidth ? determine columns needed for a wide character |
#include <wchar.h> int wcwidth (wint_t c); |
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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. |
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The wcwidth function returns the number of column positions for c. |
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UNIX98 |
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wcswidth(3), iswprint(3) |
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The behaviour of wcwidth depends on the LC_CTYPE category of the current locale. |
