Miscellaneous macros
[Macros and data types commonly used]

Defines

• #define TABLESIZE(table)   (sizeof(table)/sizeof(table[0]))

  A macro returns the number of elements in a table.
  

• #define MAX(x, y)   (((x) > (y))?(x):(y))

  A macro returns the maximum of x and y.
  

• #define MIN(x, y)   (((x) < (y))?(x):(y))

  A macro returns the minimum of x and y.
  

• #define ABS(x)   (((x)<0) ? -(x) : (x))

  A macro returns the absolute value of x.
  

• #define MAX_PATH   PATH_MAX

  The possible maximal length of a path name.
  

• #define MAX_NAME   NAME_MAX

  The possible maximal length of a file name.
  

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Define Documentation

#define ABS

(

x

)

(((x)<0) ? -(x) : (x))

A macro returns the absolute value of x.

Definition at line 1408 of file common.h.

#define MAX	(	x,
		y		)	(((x) > (y))?(x):(y))

A macro returns the maximum of x and y.

Definition at line 1394 of file common.h.

#define MAX_NAME   NAME_MAX

The possible maximal length of a file name.

Note:

This definition is an alias of NAME_MAX

Definition at line 1440 of file common.h.

#define MAX_PATH   PATH_MAX

The possible maximal length of a path name.

Note:

This definition is an alias of PATH_MAX

Definition at line 1431 of file common.h.

#define MIN	(	x,
		y		)	(((x) < (y))?(x):(y))

A macro returns the minimum of x and y.

Definition at line 1401 of file common.h.

#define TABLESIZE

(

table

)

(sizeof(table)/sizeof(table[0]))

A macro returns the number of elements in a table.

Definition at line 1386 of file common.h.