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
