Defined in 3 files as a macro:

• include/_wctype.h, line 46 (as a macro)
• include/runetype.h, line 70 (as a macro)
• include/stddef.h, line 99 (as a macro)

Referenced in 3 files:

• include/_wctype.h, line 45
• include/runetype.h, line 69
• include/stddef.h, line 98