ref: 3c6c5a02710e4d7a3da6121e9bfb8d2bc0d786dd 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