Guardian Native C Library Calls Reference Manual (G06.28+, H06.05+)

Guardian Native C Library Calls (s) sysconf(3)
_POSIX2_VERSION
Is the date of approval of the most current version of the POSIX.2 standard that
the system supports. The date is a 6-digit number, with the first 4 digits signify-
ing the year and the last 2 digits the month. Different versions of the POSIX.2
standard are periodically approved by the IEEE Standards Board, and the date of
approval is used to distinguish between different versions.
Value of name: _SC_2_VERSION
RE_DUP_MAX
Is the maximum number of repeated occurrences of a regular expression permit-
ted when using the interval-notation parameters, such as the
m and n parameters
with the ed command.
Value of name: _SC_RE_DUP_MAX
STREAM_MAX
Is the number of streams that one process can have open at one time. This vari-
able is not available at compile time.
Value of name: _SC_STREAM_MAX
TZNAME_MAX
Is the maximum number of bytes supported for the name of a time zone (not the
length of the TZ environment variable).
Value of name: _SC_TZNAME_MAX
_XOPEN_CRYPT
Has the value 1 if the system supports the X/Open Encryption Feature Group;
otherwise, it has the value -1. This variable is not available at compile time.
Value of name: _SC_XOPEN_CRYPT
_XOPEN_ENH_I18N
Has the value 1 if the system supports the X/Open Enhanced Internationalization
Feature Group; otherwise, it has the value -1.
Value of name: _SC_XOPEN_ENH_I18N
_XOPEN_SHM
Has the value 1 if the system supports the X/Open Shared Memory Feature
Group; otherwise, it has the value -1. This variable is not available at compile
time.
Value of name: _SC_XOPEN_SHM
_XOPEN_VERSION
Has the value 1 if the system supports the User Portability Utilities Option from
POSIX.2; otherwise, it has the value -1. This variable is not available at compile
time.
Value of name: _SC_XOPEN_VERSION
_XOPEN_XCU_VERSION
Is a value indicating the version of the XCU specification to which the imple-
mentation conforms. If the value is -1, no commands or utilities are provided by
the implementation. If the value is greater than or equal to 4, the function asso-
ciated with the following symbolic constants is also supported:
_POSIX2_C_BIND
_POSIX2_C_VERSION
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