# | Line 38 | Line 38 | extern char *setview(); | |
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38 | ||
39 | extern double viewray(); | |
40 | ||
41 | + | extern char *viewopt(); |
42 | + | |
43 | #define viewaspect(v) sqrt((v)->vn2/(v)->hn2) | |
44 | ||
45 | #define STDVIEW {VT_PER,{0.,0.,0.},{0.,1.,0.},{0.,0.,1.}, \ |
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