Functions
str_isalnum ()
int
str_isalnum (int i
);
str_isalpha ()
int
str_isalpha (int i
);
str_isascii ()
int
str_isascii (int i
);
str_isblank ()
int
str_isblank (int i
);
str_iscntrl ()
int
str_iscntrl (int i
);
str_isdigit ()
int
str_isdigit (int i
);
str_isgraph ()
int
str_isgraph (int i
);
str_islower ()
int
str_islower (int i
);
str_isprint ()
int
str_isprint (int i
);
str_ispunct ()
int
str_ispunct (int i
);
str_isspace ()
int
str_isspace (int i
);
str_isupper ()
int
str_isupper (int i
);
str_isxdigit ()
int
str_isxdigit (int i
);
str_strstr ()
char *
str_strstr (const char *haystack
,
const char *needle
);
str_strchr ()
char *
str_strchr (const char *s
,
int c
);
str_strrchr ()
char *
str_strrchr (const char *s
,
int c
);