iswupper
else if (iswupper(c))
#define CHRTRAN(x) (iflag ? (iswupper(x) ? towlower(x) : (x)) : (x))
#define NCCHRTRAN(x) (iswupper(x) ? towlower(x) : (x))
if (iswlower(c) || iswupper(c) ||
} else if (iswlower(c) || iswupper(c) ||
while (iswlower(c) || iswupper(c) ||
if (reserve && iswupper(c))
if (sflag && iswupper(ch))
if (iswupper(wc))
extern int iswupper(wint_t);
extern int iswupper(wint_t);
using std::iswupper;
using std::iswupper;
if (iswupper(ch))