ULIMIT
{ "vmemory(maxaddr)", ULIMIT, UL_GMEMLIM, -1, 1, 'v' },
{ "vmemory(maxaddr)", ULIMIT, UL_GETBREAK, -1, 1, 'v' },
{ "file(blocks)", ULIMIT, UL_GETFSIZE, UL_SETFSIZE, 1, 'f' },
{ "file(blocks)", ULIMIT, UL_GFILLIM, UL_SFILLIM, 1, 'f' },
{ "file(blocks)", ULIMIT, 1, 2, 1, 'f' },
{ "nofiles(descriptors)", ULIMIT, UL_GDESLIM, -1, 1, 'n' },