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- /* usuals.h - The usual typedefs, etc.
- */
- #ifndef USUALS /* Assures no redefinitions of usual types...*/
- #define USUALS
-
- typedef unsigned char boolean; /* values are TRUE or FALSE */
- typedef unsigned char byte; /* values are 0-255 */
- typedef byte *byteptr; /* pointer to byte */
- typedef char *string; /* pointer to ASCII character string */
- typedef unsigned short word16; /* values are 0-65535 */
- #ifdef __alpha
- typedef unsigned int word32; /* values are 0-4294967295 */
- #else
- typedef unsigned long word32; /* values are 0-4294967295 */
- #endif
-
- #ifndef TRUE
- #define FALSE 0
- #define TRUE (!FALSE)
- #endif /* if TRUE not already defined */
-
- #ifndef min /* if min macro not already defined */
- #define min(a,b) (((a)<(b)) ? (a) : (b) )
- #define max(a,b) (((a)>(b)) ? (a) : (b) )
- #endif /* if min macro not already defined */
-
- /* void for use in pointers */
- #ifndef NO_VOID_STAR
- #define VOID void
- #else
- #define VOID char
- #endif
-
- /* Zero-fill the byte buffer. */
- #define fill0(buffer,count) memset( buffer, 0, count )
-
- /* This macro is for burning sensitive data. Many of the
- file I/O routines use it for zapping buffers */
- #define burn(x) fill0((VOID *)&(x),sizeof(x))
-
- #endif /* if USUALS not already defined */
-