str.h File Reference

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Defines
#define	CC_ALNUM   (1 << 1)
	class for alpha-numerical characters
#define	CC_ALPHA   (1 << 2)
	class for upper- or lower-case characters
#define	CC_ASCII   (1 << 3)
	class for ASCII characters
#define	CC_BLANK   (1 << 4)
	class for blank characters
#define	CC_CNTRL   (1 << 5)
	class for ASCII control characters
#define	CC_DIGIT   (1 << 6)
	class for digit characters
#define	CC_GRAPH   (1 << 7)
	class for graphable characters
#define	CC_LOWER   (1 << 8)
	class for lower-case characters
#define	CC_PRINT   (1 << 9)
	class for printable characters
#define	CC_PUNCT   (1 << 10)
	class for punctuation characters
#define	CC_SPACE   (1 << 11)
	class for white space characters
#define	CC_UPPER   (1 << 12)
	class for upper-case characters
#define	CC_XDIGIT   (1 << 13)
	class for hexadecimal characters
#define	str_isempty(str)   (!str || str_check(str, CC_BLANK))
	check if string is empty
#define	str_isalnum(str)   str_check(str, CC_ALNUM)
	check string for alpha-numerical characters
#define	str_isalpha(str)   str_check(str, CC_ALPHA)
	check string for upper- or lower-case characters
#define	str_isascii(str)   str_check(str, CC_ASCII)
	check string for ASCII characters
#define	str_isdigit(str)   str_check(str, CC_DIGIT)
	check string for digit characters
#define	str_isgraph(str)   str_check(str, CC_GRAPH)
	check string for graphable characters
#define	str_islower(str)   str_check(str, CC_LOWER)
	check string for lower-case characters
#define	str_isprint(str)   str_check(str, CC_PRINT)
	check string for printable characters
#define	str_isupper(str)   str_check(str, CC_UPPER)
	check string for upper-case characters
#define	str_isxdigit(str)   str_check(str, CC_XDIGIT)
	check string for hexadecimal characters
#define	CHUNKSIZE   4096
Functions
int	str_check (const char *str, int allowed)
	check string against classes of allowed characters
int	str_cmp (const char *str1, const char *str2)
	compare two strings
int	str_cmpn (const char *str1, const char *str2, int n)
	compare two strings
int	str_equal (const char *str1, const char *str2)
	compare two strings
char *	str_cpy (char *dst, const char *src)
	copy a string
char *	str_cpyn (char *dst, const char *src, int n)
	copy a string
char *	str_dup (const char *str)
	duplicate a string
char *	str_chr (const char *str, int c, int n)
	scan string for character
char *	str_rchr (const char *str, int c, int n)
	scan string for character beginning at the end
char *	str_str (const char *str, const char *needle)
	locate a substring
int	str_len (const char *str)
	calculate the length of a string
char *	str_path_dirname (const char *path)
	parse directory component
char *	str_path_basename (const char *path)
	parse basename component
char *	str_path_concat (const char *dirname, const char *basename)
	concatenate dirname and basename
int	str_path_isabs (const char *str)
	check if path is absolute and contains no dot entries or ungraphable characters
int	str_path_isdot (const char *str)
	check if given path contains . or .. entries
char *	str_tolower (char *str)
	convert string to lower-case
char *	str_toupper (char *str)
	convert string to upper-case
int	str_toumax (const char *str, unsigned long long int *val, int base, int n)
	convert string to integer
int	str_readline (int fd, char **str)
	read a line of input
int	str_readfile (int fd, char **str)
	read until end of file
int	str_read (int fd, char **str, int len)
	read exact number of bytes

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