NAME

strwidth() - returns the display width of a string

SYNOPSIS

int strwidth( string str );

DESCRIPTION

strwidth() returns the number of columns to display string 'str'.

The driver uses rules defined in https://www.unicode.org/reports/tr11/tr11-36.html to calcuate character width.
Control characters has no width, Wide characters, including emojis are two column wide. This rule is also used by
sprintf() to layout strings.

SEE ALSO

strlen()
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