Standard Lib

C Standard Library. More...

Collaboration diagram for Standard Lib:

Functions
void *	calloc (size_t num, size_t size)
	Allocate space for an array.
void *	dbg_calloc (size_t num, size_t size, const char *file, int line)
	Allocate space for an array.
int	abs (int j)
	Compute absolute value of an integer.
int	atoi (const char *str)
	Convert string to integer.
long	atol (const char *str)
	Convert string to long integer.
long	labs (long j)
	Get absolute value of a long integer.
long	strtol (const char *nptr, char **endptr, int base)
	Convert a string to long integer.
unsigned long	strtoul (const char *nptr, char **endptr, int base)
	Convert a string to an unsigned long integer.

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Detailed Description

C Standard Library.

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Function Documentation

void* calloc	(	size_t	num,
		size_t	size
	)

Allocate space for an array.

Parameters:

num	Number of elements.
size	Size of a single element.

Returns:

A pointer to the allocated space or a null pointer if not enough memory space is available.

References ENOMEM, errno, malloc(), memset(), and NULL.

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void* dbg_calloc	(	size_t	num,
		size_t	size,
		const char *	file,
		int	line
	)

Allocate space for an array.

Parameters:

num	Number of elements.
size	Size of a single element.

Returns:

A pointer to the allocated space or a null pointer if not enough memory space is available.

References dbg_malloc(), ENOMEM, errno, memset(), and NULL.

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int abs

(

int

j

)

Compute absolute value of an integer.

Parameters:

j	The integer value.

Returns:

The absolute value.

Examples:

caltime/caltime.c.

int atoi

(

const char *

str

)

Convert string to integer.

Parameters:

str	Pointer to the string.

Returns:

Converted value.

Examples:

tcps/tcps.c.

References NULL, and strtol().

Referenced by emulation_options_parse(), MmCardMount(), SpiMmcMount(), and StreamClientAccept().

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long atol

(

const char *

str

)

Convert string to long integer.

Parameters:

str	Pointer to the string.

Returns:

Converted value.

References NULL, and strtol().

Referenced by HttpParseHeader(), and NutChatSend().

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long labs

(

long

j

)

Get absolute value of a long integer.

Parameters:

j	Long integer.

Returns:

Absolute value.

long strtol	(	const char *	nptr,
		char **	endptr,
		int	base
	)

Convert a string to long integer.

Parameters:

nptr	Points to a character string to convert.
endptr	Is a result parameter that, if not NULL, returns a string beginning with the first character not converted.
base	Number base of the string.

Returns:

Converted value.

References ERANGE, errno, and LONG_MAX.

Referenced by _getf(), atoi(), atol(), HttpUrlUnescape(), NutHttpURLDecode(), and SSDPTask().

unsigned long strtoul	(	const char *	nptr,
		char **	endptr,
		int	base
	)

Convert a string to an unsigned long integer.

Parameters:

nptr	Points to a character string to convert.
endptr	Is a result parameter that, if not NULL, returns a string beginning with the first character not converted.
base	Number base of the string.

Returns:

Converted value.

References ERANGE, and errno.