XLISP char-upcase

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# char-upcase

Type: | - | function (subr)
Source: | - | xlstr.c

## Syntax

(char-upcase char)
  char - a character expression
  returns - the upper case character

## Description

The 'char-upcase' function converts the 'char' expression to upper case. The upper case equivalent of 'char' is returned. If the 'char' is not alphabetic [a-z or A-Z], the character is returned unchanged.

## Examples

    (char-upcase #\0)  => #\0
    (char-upcase #\A)  => #\A
    (char-upcase #\a)  => #\A
    (char-upcase #\[)  => #\[
    (char-upcase #\+)  => #\+

See also:

- Contents → Character Functions

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Nyquist / XLISP 2.0 - Contents | Tutorials | Examples | Reference