# | Line 22 | Line 22 | |
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22 | #else | |
23 | #define PI 3.14159265358979323846 | |
24 | #endif | |
25 | + | |
26 | + | #ifndef F_OK /* mode bits for access(2) call */ |
27 | + | #define R_OK 4 /* readable */ |
28 | + | #define W_OK 2 /* writable */ |
29 | + | #define X_OK 1 /* executable */ |
30 | + | #define F_OK 0 /* exists */ |
31 | + | #endif |
32 | /* error codes */ | |
33 | #define WARNING 1 /* non-fatal error */ | |
34 | #define USER 2 /* fatal user-caused error */ |
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