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#define Clean(a)
typedef struct clean_string *CleanString;
/* a string in Clean is:
struct clean_string {
int clean_string_length;
char clean_string_characters[clean_string_length];
};
The string does not end with a '\0' !
*/
/* CleanStringLength(clean_string) returns length of the clean_string in characters */
#define CleanStringLength(clean_string) (*(unsigned int *)(clean_string))
/* CleanStringCharacters(clean_string) returns a pointer to the characters of the clean_string */
#define CleanStringCharacters(clean_string) ((char*)(1+(unsigned int *)(clean_string))+4)
/* CleanStringSizeInts(string_length) return size of CleanString in integers */
#define CleanStringSizeInts(string_length) (1+(((unsigned int)(string_length)+3)>>2))
/* CleanStringVariable(clean_string,string_length) defines variable clean_string with length string_length,
before using the clean_string variable, cast to CleanString, except for the macros above */
#define CleanStringVariable(clean_string,string_length) unsigned int clean_string[CleanStringSizeInts(string_length)]
/* CleanStringSizeBytes(string_length) return size of CleanString in bytes */
#define CleanStringSizeBytes(string_length) (4+(((unsigned int)(string_length)+3) & -4))
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