A protocol-specific call, pr_usrreq, is then made, which switches to the corresponding protocol-specific request associated with the socket descriptor. The prototype of the pr_usrreq function is.
然后进行协议特定的调用pr_usrreq，进而切换到与套接字描述符关联的相应协议特定的请求。
Ruifeng switch (Dongguan) co., Ltd. accumulated decades of professional experience in producing switches and socket connector.
瑞丰开关(东莞)有限公司积累几十年专业生产开关与插座连接器丰富经验。
Design and production of the microswitch. Touch switch. Toggle switch. Switch button. Button switch. Headphone socket. Slide switches, USB socket. Self-locking switch, DC socket. Vibration switch.
设计生产微动开关。轻触开关。拨动开关。按键开关。按钮开关。耳机插座。滑动开关。
Mainly produces all kinds of electronic switch socket including the leaf switches, touch switches, toggle switches, slide switches, push switch, button switch, key switch, self-locking switch.
主要生产各类电子开关插座包括叶片开关，轻触开关，拨动开关，滑动开关，推动开关，按钮开关，按键开关，自锁开关。
The headset socket USB socket DC socket. Button switch. Micro switch, vibration switch. Door lock switch. Straight key switches. Vibration switch.
DC插座。按钮开关。微动开关。震动开关。门锁开关。直键开关。振动开关。门锁开关。检测开关；
The main products include wall switches, sockets, up-socket on the floor of the eight series, such as more than 400 varieties.
主要产品有墙壁开关、插座、弹起式地板插座等八大系列400多个品种。
The main products include wall switches, sockets, up-socket on the floor of the eight series, such as more than 400 varieties.
主要产品有墙壁开关、插座、弹起式地板插座等八大系列400多个品种。
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