constant Etc::CS_GNU_LIBC_VERSION

CS_PATH -> Integer[permalink][rdoc]
CS_POSIX_V7_ILP32_OFF32_CFLAGS -> Integer
CS_POSIX_V7_ILP32_OFF32_LDFLAGS -> Integer
CS_POSIX_V7_ILP32_OFF32_LIBS -> Integer
CS_POSIX_V7_ILP32_OFFBIG_CFLAGS -> Integer
CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS -> Integer
CS_POSIX_V7_ILP32_OFFBIG_LIBS -> Integer
CS_POSIX_V7_LP64_OFF64_CFLAGS -> Integer
CS_POSIX_V7_LP64_OFF64_LDFLAGS -> Integer
CS_POSIX_V7_LP64_OFF64_LIBS -> Integer
CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS -> Integer
CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS -> Integer
CS_POSIX_V7_LPBIG_OFFBIG_LIBS -> Integer
CS_POSIX_V7_THREADS_CFLAGS -> Integer
CS_POSIX_V7_THREADS_LDFLAGS -> Integer
CS_POSIX_V7_WIDTH_RESTRICTED_ENVS -> Integer
CS_V7_ENV -> Integer
CS_POSIX_V6_ILP32_OFF32_CFLAGS -> Integer
CS_POSIX_V6_ILP32_OFF32_LDFLAGS -> Integer
CS_POSIX_V6_ILP32_OFF32_LIBS -> Integer
CS_POSIX_V6_ILP32_OFFBIG_CFLAGS -> Integer
CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS -> Integer
CS_POSIX_V6_ILP32_OFFBIG_LIBS -> Integer
CS_POSIX_V6_LP64_OFF64_CFLAGS -> Integer
CS_POSIX_V6_LP64_OFF64_LDFLAGS -> Integer
CS_POSIX_V6_LP64_OFF64_LIBS -> Integer
CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS -> Integer
CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS -> Integer
CS_POSIX_V6_LPBIG_OFFBIG_LIBS -> Integer
CS_POSIX_V6_WIDTH_RESTRICTED_ENVS -> Integer
CS_V6_ENV -> Integer
CS_GNU_LIBC_VERSION -> Integer
CS_GNU_LIBPTHREAD_VERSION -> Integer

Etc.#confstr の引数に指定します。

詳細は confstr(3) を参照してください。