structcmd.h File Reference

A Documented file. More...

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Macros
#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.

Detailed Description

A Documented file.

Details.

Macro Definition Documentation

MAX

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

A macro that returns the maximum of a and b.

Details.

Typedef Documentation

UINT32

typedef unsigned int UINT32

A type definition for a .

Details.

Function Documentation

close()

int close

(

int

fd

)

Closes the file descriptor fd.

Parameters

fd	The descriptor to close.

open()

int open	(	const char *	pathname,
		int	flags )

Opens a file descriptor.

Parameters

pathname	The name of the descriptor.
flags	Opening flags.

read()

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.

write()

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.

Variable Documentation

errno

int errno

Contains the last error code.

Warning

Not thread safe!