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- @node sysconf, posix
- @subheading Syntax
-
- @example
- #include <unistd.h>
-
- long sysconf(int which);
- @end example
-
- @subheading Description
-
- This function returns various system configuration values, based on
- @var{which}:
-
- @example
- case _SC_ARG_MAX: return ARG_MAX;
- case _SC_CHILD_MAX: return CHILD_MAX;
- case _SC_CLK_TCK: return CLOCKS_PER_SEC;
- case _SC_NGROUPS_MAX: return NGROUPS_MAX;
- case _SC_OPEN_MAX: return 255;
- case _SC_JOB_CONTROL: return -1;
- case _SC_SAVED_IDS: return -1;
- case _SC_STREAM_MAX: return _POSIX_STREAM_MAX;
- case _SC_TZNAME_MAX: return TZNAME_MAX;
- case _SC_VERSION: return _POSIX_VERSION;
- @end example
-
- @subheading Return Value
-
- The value.
-
-