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#include <ctype.h>
#include "libc.h"
#undef isupper
int isupper(int c)
{
return (unsigned)c-'A' < 26;
}
int __isupper_l(int c, locale_t l)
{
return isupper(c);
}
weak_alias(__isupper_l, isupper_l);
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