...p (commands), and 3p (functions); thus one can write "man 3p open". SEE ALSO getconf (1), confstr (3), pathconf (3), sysconf (3), attributes (7), feature_test_macros (7), libc (…...ty of interfaces at compile time, and functions sysconf (3), fpathconf (3), pathconf (3), confstr (3) to do this at run time. From shell scripts one can use getconf (1). For mor…