#ifndef _UTIL_H_#define _UTIL_H_voidbyte2hex(char** out_str, u_int8_t* tab, int len);inthex2byte(u_int8_t** out_tab, char* string, int len);voidcleanWhiteSpace(char** out_str);char*trim (char *string);voidsplit(char** out_one, char** out_two, char* str);charynQuestion(char* prompt, char defAnswer);intstr2num(unsigned long* out_d, char* str);voidnum2str(char** out_str,	unsigned long num);intxstrcat(char** out_str, char* first, char* second);intgetNode(xmlNodePtr* out_node,	xmlNodePtr* ntab,	int ni);voidgetPassphrase(char** out_p,	char* prompt);#endif