structcmd.h File Reference

A Documented file. More...

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Defines
#define	MAX(a, b)   (((a)>(b))?(a):(b))
	A macro that returns the maximum of a and b.
Typedefs
typedef unsigned int	UINT32
	A type definition for a .
Functions
int	open (const char *, int)
	Opens a file descriptor.
int	close (int)
	Closes the file descriptor fd.
size_t	write (int, const char *, size_t)
	Writes count bytes from buf to the filedescriptor fd.
int	read (int, char *, size_t)
	Read bytes from a file descriptor.
Variables
int	errno
	Contains the last error code.

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Detailed Description

A Documented file.

Details.

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Define Documentation

#define MAX	(	a,
		b		)	(((a)>(b))?(a):(b))

A macro that returns the maximum of a and b.

Details.

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Typedef Documentation

typedef unsigned int UINT32

A type definition for a .

Details.

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Function Documentation

int close

(

int

fd

)

Closes the file descriptor fd.

Parameters:

fd

The descriptor to close.

int open	(	const char *	pathname,
		int	flags
	)

Opens a file descriptor.

Parameters:

	pathname	The name of the descriptor.
	flags	Opening flags.

int read	(	int	fd,
		char *	buf,
		size_t	count
	)

Read bytes from a file descriptor.

Parameters:

	fd	The descriptor to read from.
	buf	The buffer to read into.
	count	The number of bytes to read.

size_t write	(	int	fd,
		const char *	buf,
		size_t	count
	)

Writes count bytes from buf to the filedescriptor fd.

Parameters:

	fd	The descriptor to write to.
	buf	The data buffer to write.
	count	The number of bytes to write.

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Variable Documentation

int errno

Contains the last error code.

Warning:

Not thread safe!

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