| #ifndef __CTYPE | |
| #define __CTYPE | |
| extern int isalnum(int); | |
| extern int isalpha(int); | |
| extern int iscntrl(int); | |
| extern int isdigit(int); | |
| extern int isgraph(int); | |
| extern int islower(int); | |
| extern int isprint(int); | |
| extern int ispunct(int); | |
| extern int isspace(int); | |
| extern int isupper(int); | |
| extern int isxdigit(int); | |
| extern int tolower(int); | |
| extern int toupper(int); | |
| #define __U 01 | |
| #define __L 02 | |
| #define __N 04 | |
| #define __S 010 | |
| #define __P 020 | |
| #define __C 040 | |
| #endif /* __CTYPE */ |