makedev.3: NOTES: mention that <sys/types.h> may also define these macros

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man3/makedev.3 b/man3/makedev.3
index 3d26d1571d244391d321b3a88da428cfc23e9693..056c419fa4e6507ab97f94f7161d8cf5a2a718f6 100644 (file)
--- a/man3/makedev.3
+++ b/man3/makedev.3
@@ -92,6 +92,11 @@ they have been aliases for three GNU-specific functions:
 and
 .BR gnu_dev_minor ().
 The latter names are exported, but the traditional names are more portable.
+
+The BSDs expose the definitions for these macros via
+.IR <sys/types/.h> ,
+and glibc also exposes definitions for these macros from that
+header file if suitable feature test macros are defined.
 .SH SEE ALSO
 .BR mknod (2),
 .BR stat (2)