Defined in 2 files as a variable:

• lib/ctype.c, line 12 (as a variable)
• tools/lib/ctype.c, line 11 (as a variable)

Defined in 2 files as a externvar:

• include/linux/ctype.h, line 21 (as a externvar)
• tools/include/linux/ctype.h, line 21 (as a externvar)

Referenced in 4 files:

• arch/arm64/kernel/image-vars.h, line 50
• include/linux/ctype.h, line 23
• lib/ctype.c, line 38
• tools/include/linux/ctype.h, line 23