1SKB_HEADROOM(9)                Linux Networking                SKB_HEADROOM(9)
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NAME

6       skb_headroom - bytes at buffer head
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SYNOPSIS

9       unsigned int skb_headroom(const struct sk_buff * skb);
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ARGUMENTS

12       skb
13           buffer to check
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DESCRIPTION

16       Return the number of bytes of free space at the head of an sk_buff.
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COPYRIGHT

19Kernel Hackers Manual 3.10         June 2019                   SKB_HEADROOM(9)