e45b2259ec
Update referenced example to include unistd.h per manpage. Update example to be more style(9)-ish, silence warnings and add FreeBSD id to the source file.
22 lines
603 B
C
22 lines
603 B
C
/* $FreeBSD$ */
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#if __FreeBSD__ == 0 /* 1.0 did not define __FreeBSD__ */
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#define __FreeBSD_version 199401
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#elif __FreeBSD__ == 1 /* 1.1 defined it to be 1 */
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#define __FreeBSD_version 199405
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#else /* 2.0 and higher define it to be 2 */
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#include <osreldate.h> /* and this works */
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#endif
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#include <stdio.h>
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#include <unistd.h>
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int
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main(void) {
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printf("Compilation release date: %d\n", __FreeBSD_version);
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#if __FreeBSD_version >= 199408
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printf("Execution environment release date: %d\n", getosreldate());
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#else
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printf("Execution environment release date: can't tell\n");
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#endif
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return (0);
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}
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