Defined in 2 files as a prototype:

• bin/csh/extern.h, line 141 (as a prototype)
• games/hack/extern.h, line 197 (as a prototype)

Defined in 2 files as a function:

• bin/csh/func.c, line 1328 (as a function)
• games/hack/hack.ioctl.c, line 94 (as a function)

Referenced in 2 files:

• bin/csh/init.c, line 96
• games/hack/hack.cmd.c, line 80