sys_recvmsg       424 include/linux/syscalls.h asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg, unsigned flags);
sys_recvmsg       738 net/compat.c   	return sys_recvmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
sys_recvmsg      2194 net/socket.c   		err = sys_recvmsg(a0, (struct msghdr __user *)a1, a[2]);