| 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 */ |
| 40 |
|
extern char errmsg[]; /* global buffer for error messages */ |
| 41 |
|
|
| 42 |
|
extern int errno; /* system error number */ |
| 43 |
+ |
|
| 44 |
+ |
/* memory operations */ |
| 45 |
+ |
#ifdef STRUCTASSIGN |
| 46 |
+ |
#define copystruct(d,s) (*(d) = *(s)) |
| 47 |
+ |
#else |
| 48 |
+ |
#define copystruct(d,s) bcopy((char *)(s),(char *)(d),sizeof(*(d))) |
| 49 |
+ |
#endif |
| 50 |
+ |
#ifndef BSD |
| 51 |
+ |
#define bcopy(s,d,n) (void)memcpy(d,s,n) |
| 52 |
+ |
#define bzero(d,n) (void)memset(d,0,n) |
| 53 |
+ |
#define bcmp(b1,b2,n) memcmp(b1,b2,n) |
| 54 |
+ |
extern char *memcpy(), *memset(); |
| 55 |
+ |
#endif |
| 56 |
|
|
| 57 |
|
extern char *sskip(); |
| 58 |
|
extern char *getpath(); |
