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stddef(3head) [opensolaris man page]

stddef.h(3HEAD) 						      Headers							   stddef.h(3HEAD)

NAME
stddef.h, stddef - standard type definitions SYNOPSIS
#include <stddef.h> DESCRIPTION
The <stddef.h> header defines the following macros: NULL Null pointer constant. offsetof(type, member-designator) Integer constant expression of type size_t, the value of which is the offset in bytes to the structure member (member-designator), from the beginning of its structure (type). The <stddef.h> header defines the following types: ptrdiff_t Signed integer type of the result of subtracting two pointers. wchar_t Integer type whose range of values can represent distinct wide-character codes for all members of the largest character set specified among the locales supported by the compilation environment: the null character has the code value 0 and each member of the portable character set has a code value equal to its value when used as the lone character in an integer character con- stant. size_t Unsigned integer type of the result of the sizeof operator. The implementation supports one or more programming environments in which the widths of ptrdiff_t, size_t, and wchar_t are no greater than the width of type long. The names of these programming environments can be obtained using the confstr(3C) function or the getconf(1) util- ity. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
getconf(1), confstr(3C), types.h(3HEAD), wchar.h(3HEAD), attributes(5), standards(5) SunOS 5.11 10 Sep 2004 stddef.h(3HEAD)

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stddef.h(3HEAD) 						      Headers							   stddef.h(3HEAD)

NAME
stddef.h, stddef - standard type definitions SYNOPSIS
#include <stddef.h> DESCRIPTION
The <stddef.h> header defines the following macros: NULL Null pointer constant. offsetof(type, member-designator) Integer constant expression of type size_t, the value of which is the offset in bytes to the structure member (member-designator), from the beginning of its structure (type). The <stddef.h> header defines the following types: ptrdiff_t Signed integer type of the result of subtracting two pointers. wchar_t Integer type whose range of values can represent distinct wide-character codes for all members of the largest character set specified among the locales supported by the compilation environment: the null character has the code value 0 and each mem- ber of the portable character set has a code value equal to its value when used as the lone character in an integer charac- ter constant. size_t Unsigned integer type of the result of the sizeof operator. The implementation supports one or more programming environments in which the widths of ptrdiff_t, size_t, and wchar_t are no greater than the width of type long. The names of these programming environments can be obtained using the confstr(3C) function or the getconf(1) util- ity. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
getconf(1), confstr(3C), types.h(3HEAD), wchar.h(3HEAD), attributes(5), standards(5) SunOS 5.10 10 Sep 2004 stddef.h(3HEAD)
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