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Annotation of lucent/sys/src/libmach/swap.c, revision 1.1

1.1     ! root        1: #include <u.h>
        !             2: 
        !             3: /*
        !             4:  * read big-endian short s
        !             5:  */
        !             6: ushort
        !             7: beswab(ushort s)
        !             8: {
        !             9:        uchar *p;
        !            10: 
        !            11:        p = (uchar*)&s;
        !            12:        return (p[0]<<8) | p[1];
        !            13: }
        !            14: 
        !            15: /*
        !            16:  * read big-endian long l
        !            17:  */
        !            18: long
        !            19: beswal(long l)
        !            20: {
        !            21:        uchar *p;
        !            22: 
        !            23:        p = (uchar*)&l;
        !            24:        return (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
        !            25: }
        !            26: 
        !            27: /*
        !            28:  * read little-endian short s
        !            29:  */
        !            30: ushort
        !            31: leswab(ushort s)
        !            32: {
        !            33:        uchar *p;
        !            34: 
        !            35:        p = (uchar*)&s;
        !            36:        return (p[1]<<8) | p[0];
        !            37: }
        !            38: 
        !            39: /*
        !            40:  * read little-endian long l
        !            41:  */
        !            42: long
        !            43: leswal(long l)
        !            44: {
        !            45:        uchar *p;
        !            46: 
        !            47:        p = (uchar*)&l;
        !            48:        return (p[3]<<24) | (p[2]<<16) | (p[1]<<8) | p[0];
        !            49: }

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