# | Line 21 | Line 21 | extern "C" { | |
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21 | #include "platform.h" | |
22 | #include "mat4.h" | |
23 | ||
24 | + | |
25 | + | #ifndef NULL |
26 | + | #define NULL 0 |
27 | + | #endif |
28 | + | |
29 | /* regular transformation */ | |
30 | typedef struct { | |
31 | MAT4 xfm; /* transform matrix */ |
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