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Man Pages


Manual Reference Pages  -  ISRUNE (3)

NAME

isrune - valid character test

CONTENTS

Library
Synopsis
Description
Return Values
See Also
History

LIBRARY


.Lb libc

SYNOPSIS


.In ctype.h int isrune int c

DESCRIPTION

The isrune function tests for any character that is valid in the current character set. In the ASCII character set, this is equivalent to isascii.

RETURN VALUES

The isrune function returns zero if the character tests false and returns non-zero if the character tests true.

SEE ALSO

ctype(3), isascii(3), iswrune(3), ascii(7)

HISTORY

The isrune function appeared in BSD 4.4 .
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