This program shows all values for system limits that can
be obtained via sysconf()

_SC_ARG_MAX: 20478
explanation: 
The  maximum  length of the arguments to the exec()
family of functions;  the  corresponding  macro  is
ARG_MAX.


_SC_CHILD_MAX: 51
explanation: 
The  number  of simultaneous processes per user id,
the corresponding macro is _POSIX_CHILD_MAX.


_SC_CLK_TCK: 100
explanation: 
The number of clock ticks per  second;  the  corre-
sponding macro is CLK_TCK.


_SC_STREAM_MAX: 60
explanation: 
The  maximum  number  of streams that a process can
have open at any  time.   The  corresponding  POSIX
macro  is  STREAM_MAX, the corresponding standard C
macro is FOPEN_MAX.


_SC_TZNAME_MAX: 19
explanation: 
The maximum number of bytes in a timezone name, the
corresponding macro is TZNAME_MAX.


_SC_OPEN_MAX: 60
explanation: 
The maximum number of files that a process can have
open  at  any  time,  the  corresponding  macro  is
_POSIX_OPEN_MAX.


_SC_JOB_CONTROL: 2
explanation: 
This indicates whether POSIX - style job control is
supported,    the    corresponding     macro     is
_POSIX_JOB_CONTROL.


_SC_SAVED_IDS: supported
explanation: 
This  indicates  whether a process has a saved set-
user-ID and a saved set-group-ID; the corresponding
macro is _POSIX_SAVED_IDS.


_SC_VERSION: 199009
explanation: 
indicates  the  year and month the POSIX.1 standard
was  approved  in  the  format  YYYYMML;the   value
199009L indicates the most recent revision, 1990.


_SC_BC_BASE_MAX: 99
explanation: 
indicates  the  maximum obase value accepted by the
bc(1)   utility;   the   corresponding   macro   is
BC_BASE_MAX.


_SC_BC_DIM_MAX: 2048
explanation: 
indicates  the  maximum value of elements permitted
in an array by bc(1); the  corresponding  macro  is
BC_DIM_MAX.


_SC_BC_SCALE_MAX: 99
explanation: 
indicates the maximum scale value allowed by bc(1);
the corresponding macro is BC_SCALE_MAX.


_SC_BC_STRING_MAX: 1000
explanation: 
indicates the maximum length of a  string  accepted
by bc(1); the corresponding macro is BC_STRING_MAX.


_SC_COLL_WEIGHTS_MAX: 2
explanation: 
indicates the maximum numbers of weights  that  can
be  assigned  to  an  entry of the LC_COLLATE order
keyword in the locale definition file;  the  corre-
sponding macro is COLL_WEIGHTS_MAX.


_SC_EXPR_NEST_MAX: 32
explanation: 
is  the  maximum number of expressions which can be
nested within parentheses by expr(1).   The  corre-
sponding macro is EXPR_NEST_MAX.


_SC_LINE_MAX: 2048
explanation: 
The  maximum  length  of  a  utility's  input  line
length, either from standard input or from a  file.
This  includes  length for a trailing newline.  The
corresponding macro is LINE_MAX.


_SC_RE_DUP_MAX: 255
explanation: 
The maximum number of  repeated  occurrences  of  a
regular   expression  when  the  interval  notation
{m,n} is used. The  value  of  the  corresponding
macro is RE_DUP_MAX.


_SC_2_VERSION: 199209
explanation: 
indicates  the  version  of the POSIX.2 standard in
the format of YYYYMML.  The corresponding macro  is
POSIX2_VERSION.


_SC_2_FORT_DEV: supported
explanation: 
indicates  whether  the POSIX.2 FORTRAN development
utilities are supported.  The  corresponding  macro
is POSIX2_FORT_RUN.


_SC_2_FORT_RUN: supported
explanation: 
indicates whether the POSIX.2 FORTRAN runtime util-
ities are supported.  The  corresponding  macro  is
POSIX2_FORT_RUN.


_SC_2_SW_DEV: supported
explanation: 
indicates  whether the POSIX.2 software development
utilities option is supported.   The  corresponding
macro is POSIX2_SW_DEV.