ref: 3cc8de7beda4e1a99a33728014953fc1158a336a 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