49 static const char *BackupNumber(const char *Pos, const char *FirstChar) {  in BackupNumber()  argument
51   if (!isNumberChar(*Pos)) return Pos;  in BackupNumber()
55   while (Pos > FirstChar && isNumberChar(Pos[-1])) {  in BackupNumber()
57     if (Pos[-1] == '.') {  in BackupNumber()
63     --Pos;  in BackupNumber()
64     if (Pos > FirstChar && isSignedChar(Pos[0]) && !isExponentChar(Pos[-1]))  in BackupNumber()
67   return Pos;  in BackupNumber()
73 static const char *EndOfNumber(const char *Pos) {  in EndOfNumber()  argument
74   while (isNumberChar(*Pos))  in EndOfNumber()
75     ++Pos;  in EndOfNumber()
76   return Pos;  in EndOfNumber()