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Chet Ramey
22 lines
412 B
C
22 lines
412 B
C
#include <stdio.h>
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main()
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{
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union {
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int l;
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char c[sizeof(int)];
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} u;
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int x0, x1, x2, x3;
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u.l = 0x012345678;
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x0 = u.c[0];
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x3 = u.c[sizeof (int) - 1];
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printf ("x0 = 0x%x x3 = 0x%x (%s)\n", x0, x3, x3 == 0x78 ? "bigendian" : "littleendian");
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x0 = (u.l >> 24) & 0xff;
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x1 = (u.l >> 16) & 0xff;
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x2 = (u.l >> 8) & 0xff;
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x3 = u.l & 0xff;
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printf ("big endian x0:x3: %x %x %x %x\n", x0, x1, x2, x3);
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}
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