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#include <string.h>
#include <ctype.h>
#ifndef strcasecmp
int strcasecmp(const char *s1, const char *s2)
{
while (*s1 != '\0' && tolower(*s1) == tolower(*s2)) {
s1++;
s2++;
}
return tolower(*(unsigned char *) s1) - tolower(*(unsigned char *) s2);
}
#endif
#ifndef strncasecmp
int strncasecmp(const char *s1, const char *s2, size_t n)
{
int d = 0;
for(; n != 0; n--)
{
int c1 = tolower(*s1++);
int c2 = tolower(*s2++);
if((d = c1 - c2) != 0 || c2 == '\0')
break;
}
return d;
}
#endif
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