usb_endpoint_dir_out(9)

💅 usb_endpoint_dir_out — the kernel API manual, but make it cute

okay so bestie, you found the usb_endpoint_dir_out page in the Kernel API Manual and honestly? it's a tiny little icon and it absolutely ate. let's get into it 🎀

✨ NAME ✨

usb_endpoint_dir_out — check if the endpoint has OUT direction

🌸 SYNOPSIS 🌸

int usb_endpoint_dir_out (const struct usb_endpoint_descriptor *epd );

🦋 ARGUMENTS 🦋

• epd — the endpoint you want checked, like a vibe check but for endpoints 💅

💖 DESCRIPTION 💖

Returns true if the endpoint is of type OUT, otherwise it returns false.

That's it. That's the whole function. lowkey obsessed with how simple she is 🫶

🌈 SEE ALSO 🌈

• Kernel file ./include/uapi/linux/usb/ch9.h struct usb_ctrlrequest(9) — yes bestie, the header file is literally named ch9.h, iconic
• usb_endpoint_num(9)
• usb_endpoint_type(9)
• usb_endpoint_dir_in(9) — the sister page, fr fr
• usb_endpoint_xfer_bulk(9)
• usb_endpoint_xfer_control(9)
• usb_endpoint_xfer_int(9)
• usb_endpoint_xfer_isoc(9)
• usb_endpoint_is_bulk_in(9)
• usb_endpoint_is_bulk_out(9)
• usb_endpoint_is_int_in(9)
• usb_endpoint_is_int_out(9)
• usb_endpoint_is_isoc_in(9)
• usb_endpoint_is_isoc_out(9)
• usb_endpoint_maxp(9)
• usb_endpoint_maxp_mult(9)

okay bye bestie, go check some endpoints, you've got this 💜✨

🫶 this lil page lives at ./include/uapi/linux/usb, dated October 2026, and it's giving Kernel API Manual energy from start to finish. no cap. 🎀