Defined in 1 files as a prototype:

• include/unistd.h, line 510 (as a prototype)

Defined in 2 files as a function:

• gen/FreeBSD/isatty.c, line 40 (as a function)
• gen/isatty-fbsd.c, line 44 (as a function)

Referenced in 5 files:

• gen/FreeBSD/ttyname.c, line 84
• gen/termios-fbsd.c
  • line 95
  • line 108
• gen/ttyname-fbsd.c
  • line 92
  • line 102
• stdio/FreeBSD/makebuf.c, line 82
• stdio/makebuf-fbsd.c, line 75