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/*
* Copyright (c) 1996-1994 The University of Utah and
* the Computer Systems Laboratory (CSL). All rights reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*/
int isascii(int c)
{
return ((c) >= 0) && ((c) <= 126);
}
int iscntrl(int c)
{
return ((c) < ' ') || ((c) > 126);
}
int isdigit(int c)
{
return ((c) >= '0') && ((c) <= '9');
}
int isgraph(int c)
{
return ((c) > ' ') && ((c) <= 126);
}
int islower(int c)
{
return (c >= 'a') && (c <= 'z');
}
int isprint(int c)
{
return ((c) >= ' ') && ((c) <= 126);
}
int isspace(int c)
{
return ((c) == ' ') || ((c) == '\f')
|| ((c) == '\n') || ((c) == '\r')
|| ((c) == '\t') || ((c) == '\v');
}
int isupper(int c)
{
return (c >= 'A') && (c <= 'Z');
}
int isxdigit(int c)
{
return isdigit(c) ||
((c >= 'A') && (c <= 'F')) ||
((c >= 'a') && (c <= 'f'));
}
int isalpha(int c)
{
return islower(c) || isupper(c);
}
int isalnum(int c)
{
return isalpha(c) || isdigit(c);
}
int ispunct(int c)
{
return isgraph(c) && !isalnum(c);
}
int toupper(int c)
{
return ((c >= 'a') && (c <= 'z')) ? (c - 'a' + 'A') : c;
}
int tolower(int c)
{
return ((c >= 'A') && (c <= 'Z')) ? (c - 'A' + 'a') : c;
}
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