| TOWLOWER(3) | Library Functions Manual | TOWLOWER(3) | 
towlower, towupper —
#include <wctype.h>
wint_t
  
  towlower(wint_t
    wc);
wint_t
  
  towupper(wint_t
    wc);
towlower() function converts an upper-case wide
  character to the corresponding lower-case letter. The
  towupper() function converts an lower-case wide
  character to the corresponding upper-case letter.
tolower() function returns the corresponding
  counterpart if there is one; otherwise the argument is returned unchanged.
| December 22, 2000 | NetBSD 10.0 |