char *trimcpy(unsigned char *);
int unputenv(char *);
void unquote_string(const char *input, char *output);
int uprf(char *, char *);
int vfgets(FILE *, char **);
char *write_charset_8bit(void);
char *trimcpy(unsigned char *);
int unputenv(char *);
void unquote_string(const char *input, char *output);
int uprf(char *, char *);
int vfgets(FILE *, char **);
char *write_charset_8bit(void);