/****************************************

/*  ctype.c								*

/*  Dustin Preuitt 2001					*

/*	version 1.0							*

/* An attempt to bring Cybiko C closer  *

/* ANSI C (after all, isn't that why we *

/* have standards?)						*

/***************************************/





#include "ctype.h"





int isalnum(int c)

{

	if ((isalpha(c)) || (isdigit(c)))

		return 1;

	return 0;

}



int isalpha(int c)

{

	if ((isupper(c)) || (islower(c)))

	  return 1;

	return 0;

}



/* Not sure which characters are actually control characters in Cybikoland */

int iscntrl(int c)

{

	if ((c >= 0) && (c <= 31))

		return 1;

	return 0;

}



int isdigit(int c)

{

	if ((c >= 48) && (c <= 57))

		return 1;

	return 0;

}



/*  Not quite sure this one is correct either */

int isgraph(int c)

{

	if ((c >= 33) && (c <= 255))

	  return 1;

	return 0;

}





int islower(int c)

{

	if ((c >= 97) && (c <= 122))

		return 1;

	return 0;

}



/*  Not quite sure this one is correct either */

int isprint(int c)

{

	if ((c >= 32) && (c <= 255))

	  return 1;

	return 0;

}





int ispunct(int c)

{

	if ((!isalnum(c)) && (!isspace(c)) && (isprint(c)))

		return 1;

	return 0;

}



int isspace(int c)

{

	if (c == 32)

		return 1;

	return 0;

}



int isupper(int c)

{

	if ((c >= 65) && (c <= 90))

		return 1;

	return 0;

}



/* Returns a nonzero value if c is a hex digit (0-9,a-f,A-F), zero otherwise */

int isxdigit(int c)

{

	if (((c >= 48) && (c<=57)) || ((c >= 65) && (c <= 70)) || ((c >= 97) && (c <= 102)))

		return 1;

	return 0;

}