- rune_t (*sgetrune)
- (const char *, size_t, char const **);
- int (*sputrune)
- (rune_t, char *, size_t, char **);
- rune_t invalid_rune;
+ __darwin_rune_t (*__sgetrune)(const char *, __darwin_size_t, char const **);
+ int (*__sputrune)(__darwin_rune_t, char *, __darwin_size_t, char **);
+ __darwin_rune_t __invalid_rune;