Defined in 4 files as a macro:

• arch/alpha/include/asm/errno.h, line 67 (as a macro)
• include/asm-generic/errno.h, line 16 (as a macro)
• include/asm-mips/errno.h, line 20 (as a macro)
• include/asm-parisc/errno.h, line 9 (as a macro)

Referenced in 2 files:

• Documentation/parport.txt
  • line 241
  • line 380
  • line 1050
• arch/m68knommu/lib/divsi3.S
  • line 4203
  • line 4277