5 files changed, 21 insertions, 1 deletions
diff --git a/src/include/errno.h b/src/include/errno.h
index 54a38ff4..8ec49377 100644
--- a/src/include/errno.h
+++ b/src/include/errno.h
@@ -3,6 +3,9 @@
 
 #include "../../include/errno.h"
 
+#ifdef __GNUC__
+__attribute__((const))
+#endif
 hidden int *___errno_location(void);
 
 #undef errno
diff --git a/src/include/stdlib.h b/src/include/stdlib.h
index d38a5417..812b04de 100644
--- a/src/include/stdlib.h
+++ b/src/include/stdlib.h
@@ -8,5 +8,12 @@ hidden void __env_rm_add(char *, char *);
 hidden int __mkostemps(char *, int, int);
 hidden int __ptsname_r(int, char *, size_t);
 hidden char *__randname(char *);
+hidden void __qsort_r (void *, size_t, size_t, int (*)(const void *, const void *, void *), void *);
+
+hidden void *__libc_malloc(size_t);
+hidden void *__libc_malloc_impl(size_t);
+hidden void *__libc_calloc(size_t, size_t);
+hidden void *__libc_realloc(void *, size_t);
+hidden void __libc_free(void *);
 
 #endif
diff --git a/src/include/sys/stat.h b/src/include/sys/stat.h
new file mode 100644
index 00000000..59339bee
--- /dev/null
+++ b/src/include/sys/stat.h
@@ -0,0 +1,9 @@
+#ifndef SYS_STAT_H
+#define SYS_STAT_H
+
+#include "../../../include/sys/stat.h"
+
+hidden int __fstat(int, struct stat *);
+hidden int __fstatat(int, const char *restrict, struct stat *restrict, int);
+
+#endif
diff --git a/src/include/time.h b/src/include/time.h
index 24c87973..cbabde47 100644
--- a/src/include/time.h
+++ b/src/include/time.h
@@ -4,6 +4,7 @@
 #include "../../include/time.h"
 
 hidden int __clock_gettime(clockid_t, struct timespec *);
+hidden int __clock_nanosleep(clockid_t, int, const struct timespec *, struct timespec *);
 
 hidden char *__asctime_r(const struct tm *, char *);
 hidden struct tm *__gmtime_r(const time_t *restrict, struct tm *restrict);
diff --git a/src/include/unistd.h b/src/include/unistd.h
index 6deb1bcc..7b52a924 100644
--- a/src/include/unistd.h
+++ b/src/include/unistd.h
@@ -8,6 +8,6 @@ extern char **__environ;
 hidden int __dup3(int, int, int);
 hidden int __mkostemps(char *, int, int);
 hidden int __execvpe(const char *, char *const *, char *const *);
-hidden int __aio_close(int);
+hidden off_t __lseek(int, off_t, int);
 
 #endif