u-boot/examples/standalone/hello_world.c

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// SPDX-License-Identifier: GPL-2.0+
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/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*/
#include <common.h>
#include <exports.h>
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int hello_world(int argc, char *const argv[])
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{
int i;
/* Print the ABI version */
app_startup(argv);
printf ("Example expects ABI version %d\n", XF_VERSION);
printf ("Actual U-Boot ABI version %d\n", (int)get_version());
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printf ("Hello World\n");
printf ("argc = %d\n", argc);
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for (i=0; i<=argc; ++i) {
printf ("argv[%d] = \"%s\"\n",
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i,
argv[i] ? argv[i] : "<NULL>");
}
printf ("Hit any key to exit ... ");
while (!tstc())
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;
/* consume input */
(void) getc();
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printf ("\n\n");
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return (0);
}