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-rw-r--r--posix/unistd.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/posix/unistd.h b/posix/unistd.h
index ab40f24f83..526832ad4e 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -333,6 +333,12 @@ extern int execvp __P ((__const char *__file, char *__const __argv[]));
 extern int execlp __P ((__const char *__file, ...));
 
 
+#ifdef __USE_MISC
+/* Add INC to priority of the current process.  */
+extern int nice __P ((int __inc));
+#endif
+
+
 /* Terminate program execution with the low-order 8 bits of STATUS.  */
 extern void _exit __P ((int __status)) __attribute__ ((__noreturn__));