3 * - By John Hodge (thePowersGang)
15 extern int isalpha(int ch);
16 extern int isdigit(int ch);
18 extern int isalnum(int ch);
20 extern int toupper(int ch);
21 extern int tolower(int ch);
23 extern int isprint(int ch);
25 extern int isspace(int ch);
27 extern int isxdigit(int ch);
30 extern int isblank(int ch);