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#include "gis.h"
/*
* Map uppercase A-Z to lower case a-z
*
*/
static int toupper(char);
static int tolower(char);
/*!
* \brief convert string to lower case
*
* Upper case
* letters in the string <b>s</b> are converted to their lower case equivalent.
* Returns <b>s.</b>
*
* \param s
* \return char *
*/
char *
G_tolcase (string)
char *string;
{
register char *p;
for (p = string; *p; p++)
*p = tolower (*p);
return (string);
}
static int tolower(char c)
{
if (c >= 'A' && c <= 'Z')
c -= 'A' - 'a';
return c;
}
/*
* Map lowercase a-z to uppercase A-Z
*
*/
/*!
* \brief convert string to upper case
*
* Lower case letters in the string <b>s</b> are converted to their upper case equivalent.
* Returns <b>s.</b>
*
* \param s
* \return char *
*/
char *
G_toucase (string)
char *string;
{
register char *p;
for (p = string; *p; p++)
*p = toupper (*p);
return (string);
}
static int toupper(char c)
{
if (c >= 'a' && c <= 'z')
c += 'A' - 'a';
return c;
}
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