int create_argv(const char *buf, const char *delim, char ***result);
void free_argv(char **argv);
int para_regcomp(regex_t *preg, const char *regex, int cflags);
int create_argv(const char *buf, const char *delim, char ***result);
void free_argv(char **argv);
int para_regcomp(regex_t *preg, const char *regex, int cflags);