stringutil.h File Reference

#include "stddef.h"

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Macros
#define	ARRAY_SIZE(a)   (sizeof(a) / sizeof((a)[0]))

Functions
const char *	strstri (const char *pString, const char *pToken)
	Return pointer to occurrence of substring in string. Case insensitive. More...
int	strcasecmp (const char *s1, const char *s2)
	A case-insensitive strcmp(). More...
void *	memmem (const void *haystack, size_t haystacklen, const void *needle, size_t needlelen)
void *	memrchr (const void *s, int c, size_t n)
int	memicmp (const void *buf1, const void *buf2, size_t len)
	Compare block of memory without case sensitivity. More...
char	hexchar (unsigned char c)
	Return hex character corresponding to given value. More...
signed char	unhex (char c)
	Return numeric value corresponding to given hex character. More...

Macro Definition Documentation

ARRAY_SIZE

#define ARRAY_SIZE

(

a

)

(sizeof(a) / sizeof((a)[0]))

Function Documentation

hexchar()

char hexchar

(

unsigned char

c

)

Return hex character corresponding to given value.

Parameters

c	Value from 0-15, others are invalid

Return values

char	Hex character '0'-'9', 'a'-'f' or '\0' if invalid

memicmp()

int memicmp	(	const void *	buf1,
		const void *	buf2,
		size_t	len
	)

Compare block of memory without case sensitivity.

memmem()

void* memmem	(	const void *	haystack,
		size_t	haystacklen,
		const void *	needle,
		size_t	needlelen
	)

memrchr()

void* memrchr	(	const void *	s,
		int	c,
		size_t	n
	)

strcasecmp()

int strcasecmp	(	const char *	s1,
		const char *	s2
	)

A case-insensitive strcmp().

Note

non-ANSI GNU C library extension

strstri()

const char* strstri	(	const char *	pString,
		const char *	pToken
	)

Return pointer to occurrence of substring in string. Case insensitive.

Parameters

[in]	pString	string to work with
[in]	pToken	string to locate

Return values

const

char* pointer to first occurrence in of pToken in pString or NULL if not found

unhex()

signed char unhex

(

char

c

)

Return numeric value corresponding to given hex character.

Parameters

c	Character '0'-'9', 'a'-'f' or 'A'-'F'

Return values

int8_t

Numeric value or -1 if character invalid