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]);