KERNEL_TYPES

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NAME

SYNOPSIS

#include "<SOS>/include/knl_ext.h"

extern void (0);

extern sos_Int (4);
extern sos_Char (1);

extern sos_Cstring (4);
extern sos_Pointer (4);

extern sos_Container (4);
extern sos_Offset (8);

extern sos_Id (8);

enum sos_Bool        { FALSE, TRUE };
enum sos_Eq_kind     { EQ_STRONG, EQ_WEAK };
enum sos_Comp_result { CMP_LESS, CMP_EQUAL, CMP_GREATER };

DESCRIPTION

The above listed scalar types are defined by the SOS kernel schema. The external type sos_Container is described elsewhere.

void

A type with no value, used to indicate functions returning nothing.

sos_Int

The type sos_Int represents integer numbers (in two's complement form).

sos_Char

The type sos_Char represents one byte ASCII characters.

sos_Cstring

A pointer to a successive number of sos_Char objects whose end is indicated by the ASCII control character NUL. Values of type sos_Cstring should not be stored in the persistent database.

sos_Pointer

A pointer to a memory address. Values of type sos_Pointer should not be stored in the persistent database.

sos_Offset

The offset into a container, where an object is stored.

sos_Id

The type sos_Id represents an untyped object reference.

sos_Bool

The enumeration type sos_Bool represents the boolean truth values.

sos_Comp_result

The enumeration type sos_Comp_result represents the result of a comparison operation.

sos_Eq_kind

The enumeration type sos_Eq_kind is used to specify the kind of equality, the predefined method equal is to check.

FILES

<SOS>/src/knl/knl.sos

SOS schema file

<SOS>/src/knl/knl_sos.h

complete schema interface

<SOS>/src/knl/knl_use.h

restricted schema interface

<SOS>/src/knl/knl_ext.h

definition of external types (automatically included by knl_use.h)

<SOS>/src/knl/knl.c

implementation of conversion operations for the external types

<SOS>/lib/sos.a

SOS library

SEE_ALSO

sos_Object(3), sos_Ordered_object(3), sos_Container(3)  

AUTHOR

Dietmar Theobald

Index

NAME

SYNOPSIS

DESCRIPTION

FILES

SEE_ALSO

AUTHOR