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- /* Copyright (c) 1992 Regents of the University of California */
-
- /* SCCSid "@(#)standard.h 2.3 9/24/92 LBL" */
-
- /*
- * Miscellaneous definitions required by many routines.
- */
-
- #include <stdio.h>
-
- #include <fcntl.h>
-
- #include <math.h>
-
- #include <errno.h>
-
- #include "mat4.h"
- /* regular transformation */
- typedef struct {
- MAT4 xfm; /* transform matrix */
- FLOAT sca; /* scalefactor */
- } XF;
- /* complemetary tranformation */
- typedef struct {
- XF f; /* forward */
- XF b; /* backward */
- } FULLXF;
-
- #ifdef M_PI
- #define PI M_PI
- #else
- #define PI 3.14159265358979323846
- #endif
-
- #ifndef F_OK /* mode bits for access(2) call */
- #define R_OK 4 /* readable */
- #define W_OK 2 /* writable */
- #define X_OK 1 /* executable */
- #define F_OK 0 /* exists */
- #endif
- /* error codes */
- #define WARNING 1 /* non-fatal error */
- #define USER 2 /* fatal user-caused error */
- #define SYSTEM 3 /* fatal system-related error */
- #define INTERNAL 4 /* fatal program-related error */
- #define CONSISTENCY 5 /* bad consistency check, abort */
- #define COMMAND 6 /* interactive error */
-
- extern char errmsg[]; /* global buffer for error messages */
-
- /* memory operations */
- #ifdef NOSTRUCTASS
- #define copystruct(d,s) bcopy((char *)(s),(char *)(d),sizeof(*(d)))
- #else
- #define copystruct(d,s) (*(d) = *(s))
- #endif
-
- #ifndef BSD
- #define bcopy(s,d,n) (void)memcpy(d,s,n)
- #define bzero(d,n) (void)memset(d,0,n)
- #define bcmp(b1,b2,n) memcmp(b1,b2,n)
- extern char *memcpy(), *memset();
- #define index strchr
- #define rindex strrchr
- #endif
-
- #ifndef atof
- extern double atof();
- #endif
- extern char *sskip();
- extern char *getpath(), *getenv();
- #ifndef malloc
- extern char *malloc(), *calloc(), *realloc();
- #endif
- extern char *bmalloc(), *savestr(), *savqstr();
-
- #ifdef MSDOS
- #define NIX 1
- #endif
- #ifdef AMIGA
- #define NIX 1
- #endif
-
-