ref: f02c92a5fb2d18e1248a67b15cd2ec7dcea2b4d7
dir: /sys/src/cmd/tcs/font/hdr.h/
typedef Bitmap *readbitsfn(char *, int, long *, int, uchar *, int **); typedef void mapfn(int, int, long *); extern Bitmap *kreadbits(char *file, int nc, long *chars, int size, uchar *bits, int **); extern void kmap(int from, int to, long *chars); extern Bitmap *breadbits(char *file, int nc, long *chars, int size, uchar *bits, int **); extern void bmap(int from, int to, long *chars); extern Bitmap *greadbits(char *file, int nc, long *chars, int size, uchar *bits, int **); extern void gmap(int from, int to, long *chars); extern Bitmap *qreadbits(char *file, int nc, long *chars, int size, uchar *bits, int **); extern Subfont *bf(int n, int size, Bitmap *b, int *);