<dec f='src/src/sys/sys/pty.h' l='34' type='int pty_isfree(int , int )'/>
<use f='src/src/sys/fs/ptyfs/ptyfs_vnops.c' l='369' u='c' c='ptyfs_getattr'/>
<use f='src/src/sys/kern/tty_ptm.c' l='120' u='c' c='pty_getfree'/>
<use f='src/src/sys/kern/tty_ptm.c' l='193' u='c' c='pty_alloc_master'/>
<def f='src/src/sys/kern/tty_pty.c' l='184' ll='195' type='int pty_isfree(int minor, int lock)'/>
<doc f='src/src/sys/kern/tty_pty.c' l='181'>/*
 * Check if a pty is free to use.
 */</doc>
