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/*
* ecgen, tool for generating Elliptic curve domain parameters
* Copyright (C) 2017-2018 J08nY
*/
/**
* @file str.h
*/
#ifndef ECGEN_UTIL_STR_H
#define ECGEN_UTIL_STR_H
#include <stddef.h>
/**
* @brief
* @param hex_str
* @return
*/
const char *str_is_hex(const char *hex_str);
/**
* @brief
* @param separator
* @param strings
* @param len
* @return
*/
char *str_join(char *separator, char **strings, size_t len);
/**
* @brief
* @param separator
* @param ...
* @return
*/
char *str_joinv(char *separator, ...);
/**
* @brief
* @param strings
* @param len
* @return
*/
char *str_concat(char **strings, size_t len);
/**
* @brief
* @param str
* @param c
* @return
*/
size_t str_cnt(const char *str, const char c);
#endif // ECGEN_UTIL_STR_H
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