nproc: implement --all --ignore=N

function                                             old     new   delta
nproc_main                                            98     242    +144
packed_usage                                       32799   32816     +17
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 161/0)             Total: 161 bytes

Signed-off-by: haroon maqsood <maqsood3525@live.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
1 file changed