ref: fa095decfa65ce7fa2d03ad6fb1d75640c0803b1 dir: /src/libc/arch/i386/linux/_cerrno.s/
.file "_cerrno.s" .globl _cerrno _cerrno: cmpl $0,%eax js 1f ret 1: neg %eax mov %eax,(errno) mov $-1,%eax ret