/* m_atoi.h -- Parse a string representation of a message number, and
 *          -- return the numeric value of the message.  If the string
 *          -- contains any non-digit characters, then return 0.
 *
 * This code is Copyright (c) 2017, by the authors of nmh.  See the
 * COPYRIGHT file in the root directory of the nmh distribution for
 * complete copyright information. */

int m_atoi(char *) PURE;