/* read_switch.h -- prompt the user for an answer from the list
 *
 * 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. */

/*
 * Print null-terminated PROMPT to and flush standard output.  Read answers from
 * standard input until one matches an entry in SWITCHES.  When one matches,
 * return its swret field.  Return 0 on EOF.
 */
int read_switch(const char *, const struct swit *);