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-rw-r--r--posix/bsd-getpgrp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/posix/bsd-getpgrp.c b/posix/bsd-getpgrp.c
index a19695f0e2..3289df6ee3 100644
--- a/posix/bsd-getpgrp.c
+++ b/posix/bsd-getpgrp.c
@@ -22,6 +22,7 @@
 /* Don't include unistd.h because it declares a conflicting
    prototype for the POSIX.1 `getpgrp' function.  */
 extern pid_t __getpgid (pid_t);
+extern pid_t __bsd_getpgrp (pid_t);
 
 pid_t
 __bsd_getpgrp (pid_t pid)