Defined in 4 files as a macro:

• contrib/diff/config.h, line 63 (as a macro)
• gnu/lib/libdialog/dlg_config.h, line 12 (as a macro)
• gnu/usr.bin/grep/config.h, line 37 (as a macro)
• lib/ncurses/ncurses/ncurses_cfg.h, line 214 (as a macro)

Referenced in 2 files:

• contrib/binutils/libiberty/regex.c, line 54
• contrib/ncurses/ncurses/widechar/charable.c, line 70