00001 00004 #ifndef CTYPE_H 00005 #define CTYPE_H 00006 00007 int isalnum(int register __i0 c); 00008 int isalpha(int register __i0 c); 00009 int iscntrl(int register __i0 c); 00010 int isdigit(int register __i0 c); 00011 int isgraph(int register __i0 c); 00012 int islower(int register __i0 c); 00013 int isprint(int register __i0 c); 00014 int ispunct(int register __i0 c); 00015 int isspace(int register __i0 c); 00016 int isupper(int register __i0 c); 00017 int isxdigit(int register __i0 c); 00018 int register __i0 tolower(int register __i0 c); 00019 int register __i0 toupper(int register __i0 c); 00021 #endif /* CTYPE_H */