tag	line	file	source code
errcode	312	include/net/sock.h	extern struct sk_buff     *sock_alloc_send_skb(struct sock *skb, unsigned long size, int noblock, int *errcode);
errcode	424	net/core/sock.c	struct sk_buff *sock_alloc_send_skb(struct sock *sk, unsigned long size, int noblock, int *errcode)
errcode	439	net/core/sock.c	*errcode=err;
errcode	445	net/core/sock.c	*errcode=-EPIPE;
errcode	458	net/core/sock.c	*errcode=-EAGAIN;
errcode	463	net/core/sock.c	*errcode=-EPIPE;
errcode	471	net/core/sock.c	*errcode=-EPIPE;
errcode	482	net/core/sock.c	*errcode = -ERESTARTSYS;