Defined in 8 files as a macro:

• contrib/binutils/include/safe-ctype.h, line 96 (as a macro)
• contrib/binutils/libiberty/regex.c, line 233 (as a macro)
• contrib/gdb/include/safe-ctype.h, line 96 (as a macro)
• contrib/nvi/common/multibyte.h, line 44 (as a macro)
• contrib/nvi/common/multibyte.h, line 78 (as a macro)
• gnu/usr.bin/grep/dfa.c, line 79 (as a macro)
• gnu/usr.bin/grep/dfa.c, line 91 (as a macro)
• gnu/usr.bin/grep/system.h, line 188 (as a macro)

Referenced in 6 files:

• contrib/binutils/gas/listing.c, line 360
• contrib/binutils/gas/read.c, line 5735
• contrib/binutils/libiberty/regex.c, line 3282
• contrib/nvi/ex/ex_txt.c, line 328
• contrib/nvi/vi/v_txt.c, line 1237
• gnu/usr.bin/grep/dfa.c, line 669