isphonogram_l(3)

isphonogram_l3

Phonographic character test

Part of isphonogram(3).

Usage

#include <ctype.h>

int

isphonogram(int c);

int

isphonogram_l(int c, locale_t loc);

Library

Standard C Library (libc, -lc)

Overview

The isphonogram() and isphonogram_l() functions test for a phonographic character.

The isphonogram_l() function takes an explicit locale argument, whereas the isphonogram() function uses the current global or per-thread locale.

Return values

The isphonogram() and isphonogram_l() functions return zero if the character tests false and return non-zero if the character tests true.

Releases

13 releases since FreeBSD 13.2-RELEASE; the text changed 1 time.

  1. 13.2
  2. 13.3–16.0

History

The isphonogram() function appeared in 4.4BSD.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.