char *snprintb(char *, size_t, unsigned, char *);
int stringdex(char *, char *);
char *toabsdir(char *);
+char *trim(unsigned char *);
char *trimcpy(unsigned char *);
int unputenv(char *);
int uprf(char *, char *);
char *write_charset_8bit(void);
int mh_strcasecmp(const char *s1, const char *s2);
-int strncasecmp(const char *s1, const char *s2, size_t n);
/*