annotate toys/hello.c @ 239:4f1ca01db000

Fluff out hello.c to supply more example code as a skeleton for new commands, and update a chunk of code.html (much more to do there).
author Rob Landley <rob@landley.net>
date Sun, 20 Jan 2008 19:00:16 -0600
parents 163498bf547b
children 157eab6dcdd2
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1 /* vi: set sw=4 ts=4:
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2 *
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3 * hello.c - A hello world program.
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4 *
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5 * Copyright 2006 Rob Landley <rob@landley.net>
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6 *
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7 * Not in SUSv3.
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8 * See http://www.opengroup.org/onlinepubs/009695399/utilities/
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9
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10 USE_HELLO(NEWTOY(hello, "e@d*c#b:a", TOYFLAG_USR|TOYFLAG_BIN))
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11
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12 config HELLO
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13 bool "hello"
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14 default y
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15 help
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16 A hello world program. You don't need this.
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17
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18 Mostly used as an example/skeleton file for adding new commands,
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19 occasionally nice to test kernel booting via "init=/bin/hello".
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20 */
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22 #include "toys.h"
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23
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24 // Hello doesn't use these globals, they're here for example/skeleton purposes.
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25
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26 DEFINE_GLOBALS(
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27 char *b_string;
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28 long c_number;
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29 struct arg_list *d_list;
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30 long e_count;
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31
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32 int more_globals;
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33 )
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34
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35 #define TT this.hello
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36
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37 void hello_main(void)
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38 {
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39 printf("Hello world\n");
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40 }