optional parts of the POSIX standard NAME posixoptions - optional parts of the POSIX standard DESCRIPTION The POSIX standard (the information be......been published yet. The sysconf () argument will be _SC_FOO . For a list of options, see posixoptions (7). For variables or limits, typically, there is a constant _FOO , maybe d…...onfstr (3), pathconf (3), sysconf (3), attributes (7), feature_test_macros (7), libc (7), posixoptions (7), system_data_types (7)