UC_BREAK_UNDEFINED 57 maint/gnulib/lib/unilbrk/u16-width-linebreaks.c if (o != NULL && *o != UC_BREAK_UNDEFINED) UC_BREAK_UNDEFINED 55 maint/gnulib/lib/unilbrk/u32-width-linebreaks.c if (o != NULL && *o != UC_BREAK_UNDEFINED) UC_BREAK_UNDEFINED 57 maint/gnulib/lib/unilbrk/u8-width-linebreaks.c if (o != NULL && *o != UC_BREAK_UNDEFINED) UC_BREAK_UNDEFINED 89 maint/gnulib/lib/unilbrk/ulc-width-linebreaks.c memset (o8, UC_BREAK_UNDEFINED, m);