ANONIX libc

To further the development of A_NON^IX, I present you:

ctype.h
#ifndef CTYPE_H_
int isalnum(int c);
int isalpha(int c);
int iscntrl(int c);
int isdigit(int c);
int isgraph(int c);
int islower(int c);
int isprint(int c);
int ispunct(int c);
int isspace(int c);
int isupper(int c);
int isxdigit(int c);
int tolower(int c);
int toupper(int c);
#endif

ctype.c
#include "ctype.h"
int isalnum(int c) { return isalpha(c) | isdigit(c); }
int isalpha(int c) { return isupper(c) | islower(c); }
int iscntrl(int c) { return ((c < 0x20) || (c == 0x7f)) ? 1 : 0; }
int isdigit(int c) { return ((c >= '0') && (c <= '9')) ? 1 : 0; }
int isgraph(int c) { return ((c != ' ') && isprint(c)) ? 1 : 0; }
int islower(int c) { return ((c >= 'a') && (c <= 'z')) ? 1 : 0; }
int isprint(int c) { return ((c >= ' ') && (c <= '~')) ? 1 : 0; }
int ispunct(int c) { return ((c != ' ') && !isalnum(c)) ? 1 : 0; }
int isspace(int c) { return ((c == ' ') || (c == '\f') || (c == '\n') || (c == '\r') || (c == '\t') || (c == '\v')) ? 1 : 0; }
int isupper(int c) { return ((c >= 'A') && (c <= 'Z')) ? 1 : 0; }
int isxdigit(int c) { return (((c >= '0') && (c <= '9')) || ((c >= 'a') && (c <= 'f')) || ((c >= 'A') && (c <= 'F'))) ? 1 : 0; }
int tolower(int c) { return isupper(c) ? c - 'A' + 'a' : c; }
int toupper(int c) { return islower(c) ? c - 'a' + 'A' : c; }

Didn't Netcraft confirm Anonix's death already?

I can't remember why you're doing this. Was anonymous code somehow supposed to be better?

If you want public domain BSD pretty much does that for you.

I'm genuinely interested to know though, why?