Calculate the size of a SIP header and associated memory areas.
Calculate size of a SIP header.
Definition at line 427 of file sip_util.c.
assert(h == NULL || h == SIP_NONE || h->sh_class);
if (h == NULL || h == SIP_NONE)
return h->sh_class->hc_dxtra(h, h->sh_class->hc_size);