void jis_in(int fd, long *notused, struct convert *out);void jisjis_in(int fd, long *notused, struct convert *out);void msjis_in(int fd, long *notused, struct convert *out);void ujis_in(int fd, long *notused, struct convert *out);void jisjis_out(Rune *base, int n, long *notused);void ujis_out(Rune *base, int n, long *notused);void msjis_out(Rune *base, int n, long *notused);void big5_in(int fd, long *notused, struct convert *out);void big5_out(Rune *base, int n, long *notused);void gb_in(int fd, long *notused, struct convert *out);void gb_out(Rune *base, int n, long *notused);void gbk_in(int fd, long *notused, struct convert *out);void gbk_out(Rune *base, int n, long *notused);void uksc_in(int fd, long *notused, struct convert *out);void uksc_out(Rune *base, int n, long *notused);void html_in(int fd, long *notused, struct convert *out);void html_out(Rune *base, int n, long *notused);void tune_in(int fd, long *notused, struct convert *out);void tune_out(Rune *base, int n, long *notused); #define		emit(x)		*(*r)++ = (x)#define		NRUNE		65536 extern long tab[];		/* common table indexed by Runes for reverse mappings */