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#ifndef NULL
#define NULL (void *)0
#endif
#define LOWER(c) (((c)>='A' && (c) <= 'Z') ? ((c)+('a'-'A')) : (c))
#define UPPER(c) (((c)>='a' && (c) <= 'z') ? ((c)+('A'-'a')) : (c) )
/* strcasecmp -> stricmp -> str_cmp */
#ifdef LCCWIN32
int strcasecmp(const char *arg1, const char *arg2);
int strncasecmp(const char *arg1, const char *arg2, int n);
void str_upper(char *name);
void str_lower(char *name);
char *rindex(char *str, char c);
#endif
void dump(unsigned char *buffer, int num);
#define CREATE(result, type, number) do {\
if ((number) * sizeof(type) <= 0) \
printf("SYSERR: Zero bytes or less requested at %s:%d.\n", __FILE__, __LINE__); \
if (!((result) = (type *) calloc ((number), sizeof(type)))) \
{ perror("SYSERR: malloc failure"); abort(); } } while(0)
#define RECREATE(result,type,number) do {\
if (!((result) = (type *) realloc ((result), sizeof(type) * (number))))\
{ printf("SYSERR: realloc failure"); abort(); } } while(0)
/*
* ModuloRand and ModuloPlusRand. These macros are used to replace the
* vast number of calls to rand()%mod which is low-order bits. These
* instead use the high-order bits as suggested in the man page of rand().
* MRAND(10), returns 0-9.
* MPRAND(5,10) returns 5-14.
*/
#define MRAND(mod) (int) ((float)mod * (rand() / (RAND_MAX + 1.0)))
#define MPRAND(add, mod) add + MRAND(mod)
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