diff --git a/src/libstd/libc.rs b/src/libstd/libc.rs
index d3e0c88e5df..26b4f15f3e9 100644
--- a/src/libstd/libc.rs
+++ b/src/libstd/libc.rs
@@ -92,6 +92,7 @@ pub use libc::consts::os::posix01::*;
 pub use libc::consts::os::posix08::*;
 pub use libc::consts::os::bsd44::*;
 pub use libc::consts::os::extra::*;
+pub use libc::consts::os::sysconf::*;
 
 pub use libc::funcs::c95::ctype::*;
 pub use libc::funcs::c95::stdio::*;
@@ -1123,6 +1124,8 @@ pub mod consts {
             pub static PROCESSOR_ARCHITECTURE_AMD64 : WORD = 9;
             pub static PROCESSOR_ARCHITECTURE_UNKNOWN : WORD = 0xffff;
         }
+        pub mod sysconf {
+        }
     }
 
 
@@ -1220,63 +1223,6 @@ pub mod consts {
             pub static MS_INVALIDATE : c_int = 0x0002;
             pub static MS_SYNC : c_int = 0x0004;
 
-            pub static _SC_ARG_MAX : c_int = 0;
-            pub static _SC_CHILD_MAX : c_int = 1;
-            pub static _SC_CLK_TCK : c_int = 2;
-            pub static _SC_NGROUPS_MAX : c_int = 3;
-            pub static _SC_OPEN_MAX : c_int = 4;
-            pub static _SC_STREAM_MAX : c_int = 5;
-            pub static _SC_TZNAME_MAX : c_int = 6;
-            pub static _SC_JOB_CONTROL : c_int = 7;
-            pub static _SC_SAVED_IDS : c_int = 8;
-            pub static _SC_REALTIME_SIGNALS : c_int = 9;
-            pub static _SC_PRIORITY_SCHEDULING : c_int = 10;
-            pub static _SC_TIMERS : c_int = 11;
-            pub static _SC_ASYNCHRONOUS_IO : c_int = 12;
-            pub static _SC_PRIORITIZED_IO : c_int = 13;
-            pub static _SC_SYNCHRONIZED_IO : c_int = 14;
-            pub static _SC_FSYNC : c_int = 15;
-            pub static _SC_MAPPED_FILES : c_int = 16;
-            pub static _SC_MEMLOCK : c_int = 17;
-            pub static _SC_MEMLOCK_RANGE : c_int = 18;
-            pub static _SC_MEMORY_PROTECTION : c_int = 19;
-            pub static _SC_MESSAGE_PASSING : c_int = 20;
-            pub static _SC_SEMAPHORES : c_int = 21;
-            pub static _SC_SHARED_MEMORY_OBJECTS : c_int = 22;
-            pub static _SC_AIO_LISTIO_MAX : c_int = 23;
-            pub static _SC_AIO_MAX : c_int = 24;
-            pub static _SC_AIO_PRIO_DELTA_MAX : c_int = 25;
-            pub static _SC_DELAYTIMER_MAX : c_int = 26;
-            pub static _SC_MQ_OPEN_MAX : c_int = 27;
-            pub static _SC_VERSION : c_int = 29;
-            pub static _SC_PAGESIZE : c_int = 30;
-            pub static _SC_RTSIG_MAX : c_int = 31;
-            pub static _SC_SEM_NSEMS_MAX : c_int = 32;
-            pub static _SC_SEM_VALUE_MAX : c_int = 33;
-            pub static _SC_SIGQUEUE_MAX : c_int = 34;
-            pub static _SC_TIMER_MAX : c_int = 35;
-            pub static _SC_BC_BASE_MAX : c_int = 36;
-            pub static _SC_BC_DIM_MAX : c_int = 37;
-            pub static _SC_BC_SCALE_MAX : c_int = 38;
-            pub static _SC_BC_STRING_MAX : c_int = 39;
-            pub static _SC_COLL_WEIGHTS_MAX : c_int = 40;
-            pub static _SC_EXPR_NEST_MAX : c_int = 42;
-            pub static _SC_LINE_MAX : c_int = 43;
-            pub static _SC_RE_DUP_MAX : c_int = 44;
-            pub static _SC_2_VERSION : c_int = 46;
-            pub static _SC_2_C_BIND : c_int = 47;
-            pub static _SC_2_C_DEV : c_int = 48;
-            pub static _SC_2_FORT_DEV : c_int = 49;
-            pub static _SC_2_FORT_RUN : c_int = 50;
-            pub static _SC_2_SW_DEV : c_int = 51;
-            pub static _SC_2_LOCALEDEF : c_int = 52;
-            pub static _SC_2_CHAR_TERM : c_int = 95;
-            pub static _SC_2_C_VERSION : c_int = 96;
-            pub static _SC_2_UPE : c_int = 97;
-            pub static _SC_XBS5_ILP32_OFF32 : c_int = 125;
-            pub static _SC_XBS5_ILP32_OFFBIG : c_int = 126;
-            pub static _SC_XBS5_LPBIG_OFFBIG : c_int = 128;
-
             pub static EPERM : c_int = 1;
             pub static ENOENT : c_int = 2;
             pub static ESRCH : c_int = 3;
@@ -1487,63 +1433,6 @@ pub mod consts {
             pub static MS_INVALIDATE : c_int = 0x0002;
             pub static MS_SYNC : c_int = 0x0004;
 
-            pub static _SC_ARG_MAX : c_int = 0;
-            pub static _SC_CHILD_MAX : c_int = 1;
-            pub static _SC_CLK_TCK : c_int = 2;
-            pub static _SC_NGROUPS_MAX : c_int = 3;
-            pub static _SC_OPEN_MAX : c_int = 4;
-            pub static _SC_STREAM_MAX : c_int = 5;
-            pub static _SC_TZNAME_MAX : c_int = 6;
-            pub static _SC_JOB_CONTROL : c_int = 7;
-            pub static _SC_SAVED_IDS : c_int = 8;
-            pub static _SC_REALTIME_SIGNALS : c_int = 9;
-            pub static _SC_PRIORITY_SCHEDULING : c_int = 10;
-            pub static _SC_TIMERS : c_int = 11;
-            pub static _SC_ASYNCHRONOUS_IO : c_int = 12;
-            pub static _SC_PRIORITIZED_IO : c_int = 13;
-            pub static _SC_SYNCHRONIZED_IO : c_int = 14;
-            pub static _SC_FSYNC : c_int = 15;
-            pub static _SC_MAPPED_FILES : c_int = 16;
-            pub static _SC_MEMLOCK : c_int = 17;
-            pub static _SC_MEMLOCK_RANGE : c_int = 18;
-            pub static _SC_MEMORY_PROTECTION : c_int = 19;
-            pub static _SC_MESSAGE_PASSING : c_int = 20;
-            pub static _SC_SEMAPHORES : c_int = 21;
-            pub static _SC_SHARED_MEMORY_OBJECTS : c_int = 22;
-            pub static _SC_AIO_LISTIO_MAX : c_int = 23;
-            pub static _SC_AIO_MAX : c_int = 24;
-            pub static _SC_AIO_PRIO_DELTA_MAX : c_int = 25;
-            pub static _SC_DELAYTIMER_MAX : c_int = 26;
-            pub static _SC_MQ_OPEN_MAX : c_int = 27;
-            pub static _SC_VERSION : c_int = 29;
-            pub static _SC_PAGESIZE : c_int = 30;
-            pub static _SC_RTSIG_MAX : c_int = 31;
-            pub static _SC_SEM_NSEMS_MAX : c_int = 32;
-            pub static _SC_SEM_VALUE_MAX : c_int = 33;
-            pub static _SC_SIGQUEUE_MAX : c_int = 34;
-            pub static _SC_TIMER_MAX : c_int = 35;
-            pub static _SC_BC_BASE_MAX : c_int = 36;
-            pub static _SC_BC_DIM_MAX : c_int = 37;
-            pub static _SC_BC_SCALE_MAX : c_int = 38;
-            pub static _SC_BC_STRING_MAX : c_int = 39;
-            pub static _SC_COLL_WEIGHTS_MAX : c_int = 40;
-            pub static _SC_EXPR_NEST_MAX : c_int = 42;
-            pub static _SC_LINE_MAX : c_int = 43;
-            pub static _SC_RE_DUP_MAX : c_int = 44;
-            pub static _SC_2_VERSION : c_int = 46;
-            pub static _SC_2_C_BIND : c_int = 47;
-            pub static _SC_2_C_DEV : c_int = 48;
-            pub static _SC_2_FORT_DEV : c_int = 49;
-            pub static _SC_2_FORT_RUN : c_int = 50;
-            pub static _SC_2_SW_DEV : c_int = 51;
-            pub static _SC_2_LOCALEDEF : c_int = 52;
-            pub static _SC_2_CHAR_TERM : c_int = 95;
-            pub static _SC_2_C_VERSION : c_int = 96;
-            pub static _SC_2_UPE : c_int = 97;
-            pub static _SC_XBS5_ILP32_OFF32 : c_int = 125;
-            pub static _SC_XBS5_ILP32_OFFBIG : c_int = 126;
-            pub static _SC_XBS5_LPBIG_OFFBIG : c_int = 128;
-
             pub static EPERM : c_int = 1;
             pub static ENOENT : c_int = 2;
             pub static ESRCH : c_int = 3;
@@ -1696,6 +1585,101 @@ pub mod consts {
             pub static MAP_NONBLOCK : c_int = 0x010000;
             pub static MAP_STACK : c_int = 0x020000;
         }
+        #[cfg(target_os = "linux")]
+        pub mod sysconf {
+            use libc::types::os::arch::c95::c_int;
+
+            pub static _SC_ARG_MAX : c_int = 0;
+            pub static _SC_CHILD_MAX : c_int = 1;
+            pub static _SC_CLK_TCK : c_int = 2;
+            pub static _SC_NGROUPS_MAX : c_int = 3;
+            pub static _SC_OPEN_MAX : c_int = 4;
+            pub static _SC_STREAM_MAX : c_int = 5;
+            pub static _SC_TZNAME_MAX : c_int = 6;
+            pub static _SC_JOB_CONTROL : c_int = 7;
+            pub static _SC_SAVED_IDS : c_int = 8;
+            pub static _SC_REALTIME_SIGNALS : c_int = 9;
+            pub static _SC_PRIORITY_SCHEDULING : c_int = 10;
+            pub static _SC_TIMERS : c_int = 11;
+            pub static _SC_ASYNCHRONOUS_IO : c_int = 12;
+            pub static _SC_PRIORITIZED_IO : c_int = 13;
+            pub static _SC_SYNCHRONIZED_IO : c_int = 14;
+            pub static _SC_FSYNC : c_int = 15;
+            pub static _SC_MAPPED_FILES : c_int = 16;
+            pub static _SC_MEMLOCK : c_int = 17;
+            pub static _SC_MEMLOCK_RANGE : c_int = 18;
+            pub static _SC_MEMORY_PROTECTION : c_int = 19;
+            pub static _SC_MESSAGE_PASSING : c_int = 20;
+            pub static _SC_SEMAPHORES : c_int = 21;
+            pub static _SC_SHARED_MEMORY_OBJECTS : c_int = 22;
+            pub static _SC_AIO_LISTIO_MAX : c_int = 23;
+            pub static _SC_AIO_MAX : c_int = 24;
+            pub static _SC_AIO_PRIO_DELTA_MAX : c_int = 25;
+            pub static _SC_DELAYTIMER_MAX : c_int = 26;
+            pub static _SC_MQ_OPEN_MAX : c_int = 27;
+            pub static _SC_VERSION : c_int = 29;
+            pub static _SC_PAGESIZE : c_int = 30;
+            pub static _SC_RTSIG_MAX : c_int = 31;
+            pub static _SC_SEM_NSEMS_MAX : c_int = 32;
+            pub static _SC_SEM_VALUE_MAX : c_int = 33;
+            pub static _SC_SIGQUEUE_MAX : c_int = 34;
+            pub static _SC_TIMER_MAX : c_int = 35;
+            pub static _SC_BC_BASE_MAX : c_int = 36;
+            pub static _SC_BC_DIM_MAX : c_int = 37;
+            pub static _SC_BC_SCALE_MAX : c_int = 38;
+            pub static _SC_BC_STRING_MAX : c_int = 39;
+            pub static _SC_COLL_WEIGHTS_MAX : c_int = 40;
+            pub static _SC_EXPR_NEST_MAX : c_int = 42;
+            pub static _SC_LINE_MAX : c_int = 43;
+            pub static _SC_RE_DUP_MAX : c_int = 44;
+            pub static _SC_2_VERSION : c_int = 46;
+            pub static _SC_2_C_BIND : c_int = 47;
+            pub static _SC_2_C_DEV : c_int = 48;
+            pub static _SC_2_FORT_DEV : c_int = 49;
+            pub static _SC_2_FORT_RUN : c_int = 50;
+            pub static _SC_2_SW_DEV : c_int = 51;
+            pub static _SC_2_LOCALEDEF : c_int = 52;
+            pub static _SC_2_CHAR_TERM : c_int = 95;
+            pub static _SC_2_C_VERSION : c_int = 96;
+            pub static _SC_2_UPE : c_int = 97;
+            pub static _SC_XBS5_ILP32_OFF32 : c_int = 125;
+            pub static _SC_XBS5_ILP32_OFFBIG : c_int = 126;
+            pub static _SC_XBS5_LPBIG_OFFBIG : c_int = 128;
+        }
+        #[cfg(target_os = "android")]
+        pub mod sysconf {
+            use libc::types::os::arch::c95::c_int;
+
+            pub static _SC_ARG_MAX : c_int = 0;
+            pub static _SC_BC_BASE_MAX : c_int = 1;
+            pub static _SC_BC_DIM_MAX : c_int = 2;
+            pub static _SC_BC_SCALE_MAX : c_int = 3;
+            pub static _SC_BC_STRING_MAX : c_int = 4;
+            pub static _SC_CHILD_MAX : c_int = 5;
+            pub static _SC_CLK_TCK : c_int = 6;
+            pub static _SC_COLL_WEIGHTS_MAX : c_int = 7;
+            pub static _SC_EXPR_NEST_MAX : c_int = 8;
+            pub static _SC_LINE_MAX : c_int = 9;
+            pub static _SC_NGROUPS_MAX : c_int = 10;
+            pub static _SC_OPEN_MAX : c_int = 11;
+            pub static _SC_2_C_BIND : c_int = 13;
+            pub static _SC_2_C_DEV : c_int = 14;
+            pub static _SC_2_C_VERSION : c_int = 15;
+            pub static _SC_2_CHAR_TERM : c_int = 16;
+            pub static _SC_2_FORT_DEV : c_int = 17;
+            pub static _SC_2_FORT_RUN : c_int = 18;
+            pub static _SC_2_LOCALEDEF : c_int = 19;
+            pub static _SC_2_SW_DEV : c_int = 20;
+            pub static _SC_2_UPE : c_int = 21;
+            pub static _SC_2_VERSION : c_int = 22;
+            pub static _SC_JOB_CONTROL : c_int = 23;
+            pub static _SC_SAVED_IDS : c_int = 24;
+            pub static _SC_VERSION : c_int = 25;
+            pub static _SC_RE_DUP_MAX : c_int = 26;
+            pub static _SC_STREAM_MAX : c_int = 27;
+            pub static _SC_TZNAME_MAX : c_int = 28;
+            pub static _SC_PAGESIZE : c_int = 39;
+        }
     }
 
     #[cfg(target_os = "freebsd")]
@@ -1788,59 +1772,6 @@ pub mod consts {
             pub static MS_ASYNC : c_int = 0x0001;
             pub static MS_INVALIDATE : c_int = 0x0002;
 
-            pub static _SC_ARG_MAX : c_int = 1;
-            pub static _SC_CHILD_MAX : c_int = 2;
-            pub static _SC_CLK_TCK : c_int = 3;
-            pub static _SC_NGROUPS_MAX : c_int = 4;
-            pub static _SC_OPEN_MAX : c_int = 5;
-            pub static _SC_JOB_CONTROL : c_int = 6;
-            pub static _SC_SAVED_IDS : c_int = 7;
-            pub static _SC_VERSION : c_int = 8;
-            pub static _SC_BC_BASE_MAX : c_int = 9;
-            pub static _SC_BC_DIM_MAX : c_int = 10;
-            pub static _SC_BC_SCALE_MAX : c_int = 11;
-            pub static _SC_BC_STRING_MAX : c_int = 12;
-            pub static _SC_COLL_WEIGHTS_MAX : c_int = 13;
-            pub static _SC_EXPR_NEST_MAX : c_int = 14;
-            pub static _SC_LINE_MAX : c_int = 15;
-            pub static _SC_RE_DUP_MAX : c_int = 16;
-            pub static _SC_2_VERSION : c_int = 17;
-            pub static _SC_2_C_BIND : c_int = 18;
-            pub static _SC_2_C_DEV : c_int = 19;
-            pub static _SC_2_CHAR_TERM : c_int = 20;
-            pub static _SC_2_FORT_DEV : c_int = 21;
-            pub static _SC_2_FORT_RUN : c_int = 22;
-            pub static _SC_2_LOCALEDEF : c_int = 23;
-            pub static _SC_2_SW_DEV : c_int = 24;
-            pub static _SC_2_UPE : c_int = 25;
-            pub static _SC_STREAM_MAX : c_int = 26;
-            pub static _SC_TZNAME_MAX : c_int = 27;
-            pub static _SC_ASYNCHRONOUS_IO : c_int = 28;
-            pub static _SC_MAPPED_FILES : c_int = 29;
-            pub static _SC_MEMLOCK : c_int = 30;
-            pub static _SC_MEMLOCK_RANGE : c_int = 31;
-            pub static _SC_MEMORY_PROTECTION : c_int = 32;
-            pub static _SC_MESSAGE_PASSING : c_int = 33;
-            pub static _SC_PRIORITIZED_IO : c_int = 34;
-            pub static _SC_PRIORITY_SCHEDULING : c_int = 35;
-            pub static _SC_REALTIME_SIGNALS : c_int = 36;
-            pub static _SC_SEMAPHORES : c_int = 37;
-            pub static _SC_FSYNC : c_int = 38;
-            pub static _SC_SHARED_MEMORY_OBJECTS : c_int = 39;
-            pub static _SC_SYNCHRONIZED_IO : c_int = 40;
-            pub static _SC_TIMERS : c_int = 41;
-            pub static _SC_AIO_LISTIO_MAX : c_int = 42;
-            pub static _SC_AIO_MAX : c_int = 43;
-            pub static _SC_AIO_PRIO_DELTA_MAX : c_int = 44;
-            pub static _SC_DELAYTIMER_MAX : c_int = 45;
-            pub static _SC_MQ_OPEN_MAX : c_int = 46;
-            pub static _SC_PAGESIZE : c_int = 47;
-            pub static _SC_RTSIG_MAX : c_int = 48;
-            pub static _SC_SEM_NSEMS_MAX : c_int = 49;
-            pub static _SC_SEM_VALUE_MAX : c_int = 50;
-            pub static _SC_SIGQUEUE_MAX : c_int = 51;
-            pub static _SC_TIMER_MAX : c_int = 52;
-
             pub static EPERM : c_int = 1;
             pub static ENOENT : c_int = 2;
             pub static ESRCH : c_int = 3;
@@ -2035,6 +1966,62 @@ pub mod consts {
             pub static MAP_NOSYNC : c_int = 0x0800;
             pub static MAP_NOCORE : c_int = 0x020000;
         }
+        pub mod sysconf {
+            use libc::types::os::arch::c95::c_int;
+
+            pub static _SC_ARG_MAX : c_int = 1;
+            pub static _SC_CHILD_MAX : c_int = 2;
+            pub static _SC_CLK_TCK : c_int = 3;
+            pub static _SC_NGROUPS_MAX : c_int = 4;
+            pub static _SC_OPEN_MAX : c_int = 5;
+            pub static _SC_JOB_CONTROL : c_int = 6;
+            pub static _SC_SAVED_IDS : c_int = 7;
+            pub static _SC_VERSION : c_int = 8;
+            pub static _SC_BC_BASE_MAX : c_int = 9;
+            pub static _SC_BC_DIM_MAX : c_int = 10;
+            pub static _SC_BC_SCALE_MAX : c_int = 11;
+            pub static _SC_BC_STRING_MAX : c_int = 12;
+            pub static _SC_COLL_WEIGHTS_MAX : c_int = 13;
+            pub static _SC_EXPR_NEST_MAX : c_int = 14;
+            pub static _SC_LINE_MAX : c_int = 15;
+            pub static _SC_RE_DUP_MAX : c_int = 16;
+            pub static _SC_2_VERSION : c_int = 17;
+            pub static _SC_2_C_BIND : c_int = 18;
+            pub static _SC_2_C_DEV : c_int = 19;
+            pub static _SC_2_CHAR_TERM : c_int = 20;
+            pub static _SC_2_FORT_DEV : c_int = 21;
+            pub static _SC_2_FORT_RUN : c_int = 22;
+            pub static _SC_2_LOCALEDEF : c_int = 23;
+            pub static _SC_2_SW_DEV : c_int = 24;
+            pub static _SC_2_UPE : c_int = 25;
+            pub static _SC_STREAM_MAX : c_int = 26;
+            pub static _SC_TZNAME_MAX : c_int = 27;
+            pub static _SC_ASYNCHRONOUS_IO : c_int = 28;
+            pub static _SC_MAPPED_FILES : c_int = 29;
+            pub static _SC_MEMLOCK : c_int = 30;
+            pub static _SC_MEMLOCK_RANGE : c_int = 31;
+            pub static _SC_MEMORY_PROTECTION : c_int = 32;
+            pub static _SC_MESSAGE_PASSING : c_int = 33;
+            pub static _SC_PRIORITIZED_IO : c_int = 34;
+            pub static _SC_PRIORITY_SCHEDULING : c_int = 35;
+            pub static _SC_REALTIME_SIGNALS : c_int = 36;
+            pub static _SC_SEMAPHORES : c_int = 37;
+            pub static _SC_FSYNC : c_int = 38;
+            pub static _SC_SHARED_MEMORY_OBJECTS : c_int = 39;
+            pub static _SC_SYNCHRONIZED_IO : c_int = 40;
+            pub static _SC_TIMERS : c_int = 41;
+            pub static _SC_AIO_LISTIO_MAX : c_int = 42;
+            pub static _SC_AIO_MAX : c_int = 43;
+            pub static _SC_AIO_PRIO_DELTA_MAX : c_int = 44;
+            pub static _SC_DELAYTIMER_MAX : c_int = 45;
+            pub static _SC_MQ_OPEN_MAX : c_int = 46;
+            pub static _SC_PAGESIZE : c_int = 47;
+            pub static _SC_RTSIG_MAX : c_int = 48;
+            pub static _SC_SEM_NSEMS_MAX : c_int = 49;
+            pub static _SC_SEM_VALUE_MAX : c_int = 50;
+            pub static _SC_SIGQUEUE_MAX : c_int = 51;
+            pub static _SC_TIMER_MAX : c_int = 52;
+        }
     }
 
     #[cfg(target_os = "macos")]
@@ -2130,63 +2117,6 @@ pub mod consts {
             pub static MS_KILLPAGES : c_int = 0x0004;
             pub static MS_DEACTIVATE : c_int = 0x0008;
 
-            pub static _SC_ARG_MAX : c_int = 1;
-            pub static _SC_CHILD_MAX : c_int = 2;
-            pub static _SC_CLK_TCK : c_int = 3;
-            pub static _SC_NGROUPS_MAX : c_int = 4;
-            pub static _SC_OPEN_MAX : c_int = 5;
-            pub static _SC_JOB_CONTROL : c_int = 6;
-            pub static _SC_SAVED_IDS : c_int = 7;
-            pub static _SC_VERSION : c_int = 8;
-            pub static _SC_BC_BASE_MAX : c_int = 9;
-            pub static _SC_BC_DIM_MAX : c_int = 10;
-            pub static _SC_BC_SCALE_MAX : c_int = 11;
-            pub static _SC_BC_STRING_MAX : c_int = 12;
-            pub static _SC_COLL_WEIGHTS_MAX : c_int = 13;
-            pub static _SC_EXPR_NEST_MAX : c_int = 14;
-            pub static _SC_LINE_MAX : c_int = 15;
-            pub static _SC_RE_DUP_MAX : c_int = 16;
-            pub static _SC_2_VERSION : c_int = 17;
-            pub static _SC_2_C_BIND : c_int = 18;
-            pub static _SC_2_C_DEV : c_int = 19;
-            pub static _SC_2_CHAR_TERM : c_int = 20;
-            pub static _SC_2_FORT_DEV : c_int = 21;
-            pub static _SC_2_FORT_RUN : c_int = 22;
-            pub static _SC_2_LOCALEDEF : c_int = 23;
-            pub static _SC_2_SW_DEV : c_int = 24;
-            pub static _SC_2_UPE : c_int = 25;
-            pub static _SC_STREAM_MAX : c_int = 26;
-            pub static _SC_TZNAME_MAX : c_int = 27;
-            pub static _SC_ASYNCHRONOUS_IO : c_int = 28;
-            pub static _SC_PAGESIZE : c_int = 29;
-            pub static _SC_MEMLOCK : c_int = 30;
-            pub static _SC_MEMLOCK_RANGE : c_int = 31;
-            pub static _SC_MEMORY_PROTECTION : c_int = 32;
-            pub static _SC_MESSAGE_PASSING : c_int = 33;
-            pub static _SC_PRIORITIZED_IO : c_int = 34;
-            pub static _SC_PRIORITY_SCHEDULING : c_int = 35;
-            pub static _SC_REALTIME_SIGNALS : c_int = 36;
-            pub static _SC_SEMAPHORES : c_int = 37;
-            pub static _SC_FSYNC : c_int = 38;
-            pub static _SC_SHARED_MEMORY_OBJECTS : c_int = 39;
-            pub static _SC_SYNCHRONIZED_IO : c_int = 40;
-            pub static _SC_TIMERS : c_int = 41;
-            pub static _SC_AIO_LISTIO_MAX : c_int = 42;
-            pub static _SC_AIO_MAX : c_int = 43;
-            pub static _SC_AIO_PRIO_DELTA_MAX : c_int = 44;
-            pub static _SC_DELAYTIMER_MAX : c_int = 45;
-            pub static _SC_MQ_OPEN_MAX : c_int = 46;
-            pub static _SC_MAPPED_FILES : c_int = 47;
-            pub static _SC_RTSIG_MAX : c_int = 48;
-            pub static _SC_SEM_NSEMS_MAX : c_int = 49;
-            pub static _SC_SEM_VALUE_MAX : c_int = 50;
-            pub static _SC_SIGQUEUE_MAX : c_int = 51;
-            pub static _SC_TIMER_MAX : c_int = 52;
-            pub static _SC_XBS5_ILP32_OFF32 : c_int = 122;
-            pub static _SC_XBS5_ILP32_OFFBIG : c_int = 123;
-            pub static _SC_XBS5_LP64_OFF64 : c_int = 124;
-            pub static _SC_XBS5_LPBIG_OFFBIG : c_int = 125;
-
             pub static EPERM : c_int = 1;
             pub static ENOENT : c_int = 2;
             pub static ESRCH : c_int = 3;
@@ -2385,6 +2315,66 @@ pub mod consts {
             pub static MAP_NOCACHE : c_int = 0x0400;
             pub static MAP_JIT : c_int = 0x0800;
         }
+        pub mod sysconf {
+            use libc::types::os::arch::c95::c_int;
+
+            pub static _SC_ARG_MAX : c_int = 1;
+            pub static _SC_CHILD_MAX : c_int = 2;
+            pub static _SC_CLK_TCK : c_int = 3;
+            pub static _SC_NGROUPS_MAX : c_int = 4;
+            pub static _SC_OPEN_MAX : c_int = 5;
+            pub static _SC_JOB_CONTROL : c_int = 6;
+            pub static _SC_SAVED_IDS : c_int = 7;
+            pub static _SC_VERSION : c_int = 8;
+            pub static _SC_BC_BASE_MAX : c_int = 9;
+            pub static _SC_BC_DIM_MAX : c_int = 10;
+            pub static _SC_BC_SCALE_MAX : c_int = 11;
+            pub static _SC_BC_STRING_MAX : c_int = 12;
+            pub static _SC_COLL_WEIGHTS_MAX : c_int = 13;
+            pub static _SC_EXPR_NEST_MAX : c_int = 14;
+            pub static _SC_LINE_MAX : c_int = 15;
+            pub static _SC_RE_DUP_MAX : c_int = 16;
+            pub static _SC_2_VERSION : c_int = 17;
+            pub static _SC_2_C_BIND : c_int = 18;
+            pub static _SC_2_C_DEV : c_int = 19;
+            pub static _SC_2_CHAR_TERM : c_int = 20;
+            pub static _SC_2_FORT_DEV : c_int = 21;
+            pub static _SC_2_FORT_RUN : c_int = 22;
+            pub static _SC_2_LOCALEDEF : c_int = 23;
+            pub static _SC_2_SW_DEV : c_int = 24;
+            pub static _SC_2_UPE : c_int = 25;
+            pub static _SC_STREAM_MAX : c_int = 26;
+            pub static _SC_TZNAME_MAX : c_int = 27;
+            pub static _SC_ASYNCHRONOUS_IO : c_int = 28;
+            pub static _SC_PAGESIZE : c_int = 29;
+            pub static _SC_MEMLOCK : c_int = 30;
+            pub static _SC_MEMLOCK_RANGE : c_int = 31;
+            pub static _SC_MEMORY_PROTECTION : c_int = 32;
+            pub static _SC_MESSAGE_PASSING : c_int = 33;
+            pub static _SC_PRIORITIZED_IO : c_int = 34;
+            pub static _SC_PRIORITY_SCHEDULING : c_int = 35;
+            pub static _SC_REALTIME_SIGNALS : c_int = 36;
+            pub static _SC_SEMAPHORES : c_int = 37;
+            pub static _SC_FSYNC : c_int = 38;
+            pub static _SC_SHARED_MEMORY_OBJECTS : c_int = 39;
+            pub static _SC_SYNCHRONIZED_IO : c_int = 40;
+            pub static _SC_TIMERS : c_int = 41;
+            pub static _SC_AIO_LISTIO_MAX : c_int = 42;
+            pub static _SC_AIO_MAX : c_int = 43;
+            pub static _SC_AIO_PRIO_DELTA_MAX : c_int = 44;
+            pub static _SC_DELAYTIMER_MAX : c_int = 45;
+            pub static _SC_MQ_OPEN_MAX : c_int = 46;
+            pub static _SC_MAPPED_FILES : c_int = 47;
+            pub static _SC_RTSIG_MAX : c_int = 48;
+            pub static _SC_SEM_NSEMS_MAX : c_int = 49;
+            pub static _SC_SEM_VALUE_MAX : c_int = 50;
+            pub static _SC_SIGQUEUE_MAX : c_int = 51;
+            pub static _SC_TIMER_MAX : c_int = 52;
+            pub static _SC_XBS5_ILP32_OFF32 : c_int = 122;
+            pub static _SC_XBS5_ILP32_OFFBIG : c_int = 123;
+            pub static _SC_XBS5_LP64_OFF64 : c_int = 124;
+            pub static _SC_XBS5_LPBIG_OFFBIG : c_int = 125;
+        }
     }
 }