../
[+] aarch64/
[+] alpha/
[+] arc/
[+] arm/
[+] csky/
[+] generic/
[+] gnu/
[+] hppa/
[+] htl/
[+] hurd/
[+] i386/
[+] ia64/
[+] ieee754/
[+] m68k/
[+] mach/
[+] microblaze/
[+] mips/
[+] nios2/
[+] nptl/
[+] or1k/
[+] posix/
[+] powerpc/
[+] pthread/
[+] riscv/
[+] s390/
[+] sh/
[+] sparc/
[+] unix/
[+] wordsize-32/
[+] wordsize-64/
[+] x86/
[+] x86_64/
Browse the source code of glibc/glibc/sysdeps/ online