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/** @file numericx.h * Numericx library header file. */ #ifndef _NUMERICX_H #define _NUMERICX_H #include <stdbool.h> #define PROG_NAME "numericx" /* ||DATA STRUCTURE|| */ /** * @brief Numeral structure * * This struct is in use to apply our operations on the number. * The number are converted to this struct, the operations are applied, * and on the end, the resulting number is converted from this struct. */ typedef struct NumeralPtr { char const* symbol; /**< a pointer to the glyph/numeral/symbol of this digit. */ struct NumeralPtr *next; /**< a pointer to the next digit */ struct NumeralPtr *previous; /**< a pointer to the previous digit */ } numeral_ptr; /* ||FUNCTIONS|| */ /** * @brief Free numericx result. * * Free up the result string of numericx_translate(), * after we are done with it. * * @param string - char pointer to be free. */ void numericx_free(char* string); /** * @brief Translate string to a different numerical system. * * After definition of the 'from' numerical system proprieties and the * 'to' numerical system proprieties, will be translate 'number' from the * 'from' to the 'to' numerical system, resulting in a string. * * @param from - string with all the numerals of the number's numerical system. * @param from_units_on_the_end - does the translate 'from' numerical system have units on the end (on the right)? * @param from_first_number_void - does the translate 'from' numerical system start counting on the second number? * @param from_infinite_base - is the translate 'from' numerical system first numeral infinite? For example, if first numeral is 'A', then does 'A' == 'AA' == 'AAA' == 'AAAA' ... ? * @param to - string with all the numerals of the resulting number's numerical system. * @param to_units_on_the_end - does the translate 'to' numerical system have units on the end (on the right)? * @param to_first_number_void - does the translate 'to' numerical system start counting on the second number? * @param to_infinite_base - is the translate 'to' numerical system first numeral infinite? For example, if first numeral is 'A', then does 'A' == 'AA' == 'AAA' == 'AAAA' ... ? * @param number - number of the 'from' numerical system, to be translated into the 'to' numerical system. * @param result_string - string to where to store the result. * * @return EINVAL if argument of result_string is not NULL. * @return EDOM if number doesn't belong to the 'from' numerical system. * @return ERANGE if the resulting number cannot be represented, because of a 'from' void number and a lack of void number in 'to'. * @return EXIT_SUCCESS in case of success. */ int numericx_translate(char* from, bool from_units_on_the_end, bool from_first_number_void, bool from_infinite_base, char* to, bool to_units_on_the_end, bool to_first_number_void, bool to_infinite_base, char* number, char** result_string); #endif


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