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+% limb manual
+% fd_close(3)
+
+# NAME
+
+fd_close - close a file descriptor without affecting errno
+
+# SYNOPSIS
+
+    #include <limb/djbunix.h>
+
+```pre hl
+void fd_close(int <em>fd</em>)
+```
+
+# DESCRIPTION
+
+The `fd_close`() function closes file descriptor `fd` without affecting `errno`.
+`fd2` reference the same file.