63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
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/* Written by Jose' J. Capo' */
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/* (jjc@comet.lcs.mit.edu), June 1987 */
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/* WARNING!!!: Include this header after the standard headers (like */
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/* <stdio.h>) of the following might cause another header to */
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/* redefine BUFSIZ */
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#ifndef BUFSIZ
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#define BUFSIZ 1024
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#endif
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#define MAX_FRAME_LEN 512
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#define MAX_VECTOR_LEN 65535
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#define DBG(cond) if (dbg cond)
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#define DEBUG(cond) if (debug cond)
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#define min(a,b) ((a) < (b)? (a) : (b))
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#define pel2inch(pels) ((float) ((pels) / PPI))
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#define ppmask(rounded,thickness) (0x20 * (rounded) + (thickness))
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#define min(a,b) ((a) < (b)? (a) : (b))
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#define lo(x) ((x) & 0xFF)
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#define hi(x) (((x) & 0xFF00) >>8)
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#define hi2(x) (((x) & 0xFF0000) >>16)
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#define p_wput(w, f) {\
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(void) putc(hi(w), (f)); \
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(void) putc(lo(w), (f));\
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}
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#define PMP(f, len) { fprintf(f, "\033[C"); \
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p_putlh(f, len);\
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}
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#define p_putlh(f, w) {\
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(void) putc(lo(w), (f));\
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(void) putc(hi(w), (f)); \
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}
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/* hi-lo 2-byte integer */
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/* int hl2int(unsigned char *) */
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#define hl2int(hl2) ((int) (0x100 * *(hl2) + *((hl2)+1)))
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/* putlh2(FILE *, int) */
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#define puthl2(i, f) { (void) putc(hi((i)), (f));\
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(void) putc(lo((i)), (f));\
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}
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/* hi-lo 3-byte integer */
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/* long hl3long(unsigned char *) */
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#define hl3long(hl3) ((long) (0x10000 * *(hl3) + \
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0x100 * *((hl3)+1) + *((hl3)+2)))
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/* puthl3(FILE *, long) */
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#define puthl3(l, f) { (void) putc(hi2((l)), (f));\
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(void) putc(hi((l)), (f));\
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(void) putc(lo((l)), (f));\
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}
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/* int int2sgn(int) */
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#define int2sgn(i) (((i) > 0x8000 - 1)? (i)- 0x10000: (i))
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/* int long3sgn(long) */
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#define long3sgn(l) (((l) > 0x800000 - 1)? (l) - 0x1000000 : (l))
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