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structcmd.h File Reference

A Documented file. More...

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

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Detailed Description

A Documented file.

Details.

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Define Documentation

#define MAX (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 open (const char * pathname, int flags)

Opens a file descriptor.

Parameters:

pathname	The name of the descriptor.
flags	Opening flags.

int close (int fd)

Closes the file descriptor fd.

Parameters:

fd	The descriptor to close.

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.

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.

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Variable Documentation

int errno

Contains the last error code.

Warning:

Not thread safe!

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