35 lines
733 B
C
35 lines
733 B
C
#ifndef COMMON_H
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#define COMMON_H
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typedef unsigned short ushort;
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typedef unsigned long ulong;
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struct PSTRUCT {
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Byte len;
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Byte str[];
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};
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#define ABS(x) ((x)>0?(x):-(x))
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#define HIWORD(x) (((x) & 0xFFFF0000) >> 16)
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#define LOWORD(x) ((x) & 0x0000FFFF)
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#define TO_PSTRUCT(x) (* (struct PSTRUCT *) (x))
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#define PLEN(x) (TO_PSTRUCT(x).len)
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#define PSTR(x) (TO_PSTRUCT(x).str)
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#ifndef M_PI
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#define M_PI 3.1415926535897932
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#endif
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#define ITOC(n) ((n) + '0')
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#define CTOI(n) ((n) - '0')
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#define ARRLEN(a) (sizeof(a)/sizeof(*(a)))
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#define L2PT(p,n) do { (p).v = HIWORD(n); (p).h = LOWORD(n); } while(0)
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#define PT2L(p) (((long)(p).v << 16) | (long) (p).h)
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#define TO_PTL(v,h) (((long)LOWORD(v) << 16) | (long) LOWORD(h))
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#endif |