Defined in 4 files as a macro:
- arch/blackfin/include/uapi/asm/unistd.h, line 425 (as a macro)
- arch/m32r/include/asm/unistd.h, line 40 (as a macro)
- arch/mips/include/asm/unistd.h, line 54 (as a macro)
- arch/parisc/include/uapi/asm/unistd.h, line 369 (as a macro)