string.h File Reference

New functions and types related to string and string manipulation. More...

#include <string.h>
#include <stdlib.h>

Go to the source code of this file.

Macros
#define	MAX_CHARSET_SIZE   256
#define	SUB   0x1A

Functions
char *	strdupl (const char *str)
	Implmentation of 'strdup'. More...
char *	strcov (char *str, const char *charset)
	Checks if string covers all of charset. More...
wchar_t *	wcscov (wchar_t *str, const wchar_t *charset)
const char *	strset (const char *string, const char *charset)
	Checks to see if string contains only characters in charset. More...
const wchar_t *	wcsset (const wchar_t *string, const wchar_t *charset)
char *	strpcat (char *dest, const char *src, size_t pos)
	concatenate but at a give 'p' position. More...
wchar_t *	wcspcat (wchar_t *dest, const wchar_t *src, size_t pos)
char *	chrcat (char *dest, const char src)
	Concatenate a char on to the end of a string. More...
wchar_t *	wccat (wchar_t *dest, const wchar_t src)
int	strchrn (const char *string, char ch)
	Get number of times that ch appears in string. More...
int	wcswcn (const wchar_t *string, wchar_t ch)
	(Wide-char variant) Get number of times that ch appears in string. More...
wchar_t *	wcsrev (wchar_t *str)
	Reverses the wide character string. More...
char *	strpre (char *str, char chr)
wchar_t *	wcspre (wchar_t *str, wchar_t chr)
	Prepends a character to a wide character string. More...
char *	strpres (char *str, char *pre)
wchar_t *	wcspres (wchar_t *str, wchar_t *pre)
wchar_t *	iswcsdigit (wchar_t *string)
	Confirms that wcstring is entirely composed on numbers.
long	hash (const char *str)

Detailed Description

New functions and types related to string and string manipulation.

Author

yung-turabian

Date

4 8 2024

Copyright

BSD-3-Clause

Function Documentation

chrcat()

char* chrcat	(	char *	dest,
		const char	src
	)

Concatenate a char on to the end of a string.

Returns

dest string

strchrn()

int strchrn	(	const char *	string,
		char	ch
	)

Get number of times that ch appears in string.

Returns

the number of instances.

strcov()

char* strcov	(	char *	str,
		const char *	charset
	)

Checks if string covers all of charset.

Warning

will not care if a character not present in the charset is found.

Returns

string on success or NULL on failure.

strdupl()

char* strdupl

(

const char *

str

)

Implmentation of 'strdup'.

Returns

copy of string or NULL if something went wrong.

strpcat()

char* strpcat	(	char *	dest,
		const char *	src,
		size_t	pos
	)

concatenate but at a give 'p' position.

Returns

dest string.

strset()

const char* strset	(	const char *	string,
		const char *	charset
	)

Checks to see if string contains only characters in charset.

Returns

string if true, NULL if a unexpected character is found.

wcspre()

wchar_t* wcspre	(	wchar_t *	str,
		wchar_t	chr
	)

Prepends a character to a wide character string.

Returns

on success return string.

wcsrev()

wchar_t* wcsrev

(

wchar_t *

str

)

Reverses the wide character string.

Returns

on success return string.

wcswcn()

int wcswcn	(	const wchar_t *	string,
		wchar_t	ch
	)

(Wide-char variant) Get number of times that ch appears in string.

Returns

the number of instances.