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-rw-r--r--posix/unistd.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/posix/unistd.h b/posix/unistd.h
index 15a75fa8a0..13569ae727 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -525,13 +525,13 @@ extern void _exit (int __status) __attribute__ ((__noreturn__));
 #include <bits/confname.h>
 
 /* Get file-specific configuration information about PATH.  */
-extern long int pathconf (__const char *__path, int __name);
+extern long int pathconf (__const char *__path, int __name) __THROW;
 
 /* Get file-specific configuration about descriptor FD.  */
-extern long int fpathconf (int __fd, int __name);
+extern long int fpathconf (int __fd, int __name) __THROW;
 
 /* Get the value of the system variable NAME.  */
-extern long int sysconf (int __name) __attribute__ ((__const__));
+extern long int sysconf (int __name) __THROW __attribute__ ((__const__));
 
 #ifdef	__USE_POSIX2
 /* Get the value of the string-valued system variable NAME.  */