* Copyright 1987 by MIT Student Information Processing Board * For copyright info, see mit-sipb-copyright.h. #define ERRCODE_RANGE 8 /* # of bits to shift table number */ #define BITS_PER_CHAR 6 /* # bits to shift per character in name */ static const char char_set[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_"; /* Prototypes for -Wmissing-prototypes */ const char * error_table_name(int num); const char * error_table_name_r(int num, char *buf); const char * error_table_name_r(int num, char *buf) /* num = aa aaa abb bbb bcc ccc cdd ddd d?? ??? ??? */ /* num = ?? ??? ??? aaa aaa bbb bbb ccc ccc ddd ddd */ /* num = 00 000 000 aaa aaa bbb bbb ccc ccc ddd ddd */ for (i = 4; i >= 0; i--) { ch = (num >> BITS_PER_CHAR * i) & ((1 << BITS_PER_CHAR) - 1); const char * error_table_name(int num) return(error_table_name_r(num, buf));