Defined in 3 files as a macro:

• EXTERNAL_HEADERS/stddef.h, line 56 (as a macro)
• bsd/sys/_types/_size_t.h, line 58 (as a macro)
• osfmk/libsa/types.h, line 54 (as a macro)

Referenced in 3 files:

• EXTERNAL_HEADERS/stddef.h, line 55
• bsd/sys/_types/_size_t.h, line 57
• osfmk/libsa/types.h, line 53