#include <unistd.h> long sysconf(int which);
This function returns various system configuration values, based on which:
case _SC_ARG_MAX: return _go32_info_block.size_of_transfer_buffer; 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;
The value.
not ANSI, POSIX
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