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-rw-r--r--libc/termios/ttyname.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libc/termios/ttyname.c b/libc/termios/ttyname.c
index abd1beb95..7b937fb0b 100644
--- a/libc/termios/ttyname.c
+++ b/libc/termios/ttyname.c
@@ -21,6 +21,8 @@
* However, there is no need to waste space and support non-standard
* tty names either. So we compromise and use the following buffer
* length. (Erik and Manuel agreed that 32 was more than reasonable.)
+ *
+ * If you change this, also change _SC_TTY_NAME_MAX in libc/unistd/sysconf.c
*/
#define TTYNAME_BUFLEN 32