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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ctype.h>
#include <string.h>
int strncasecmp(const char *s1, const char *s2, size_t len)
{
unsigned char us1;
unsigned char us2;
size_t index;
if (len <= 0)
{
return 0;
}
us1 = tolower(*s1);
us2 = tolower(*s2);
index = 0;
while (index < len && us1 != '\0' && us1 == us2)
{
index++;
us1 = tolower(s1[index]);
us2 = tolower(s2[index]);
}
if (index == len)
{
return 0;
}
return us1 - us2;
}
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