Defined in 1 files as a macro:

• include/uapi/linux/sockios.h, line 79 (as a macro)

Referenced in 4 files:

• arch/um/os-Linux/file.c, line 117
• drivers/net/hamradio/6pack.c, line 704
• drivers/net/hamradio/mkiss.c, line 828
• drivers/net/slip/slip.c, line 1098