towlower(3) - NetBSD Manual Pages

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TOWLOWER(3)             NetBSD Library Functions Manual            TOWLOWER(3)


NAME

     towlower, towupper -- wide character case letter conversion utilities


LIBRARY

     Standard C Library (libc, -lc)


SYNOPSIS

     #include <wctype.h>

     wint_t
     towlower(wint_t wc);

     wint_t
     towupper(wint_t wc);


DESCRIPTION

     The towlower() function converts an upper-case wide character to the cor-
     responding lower-case letter.  The towupper() function converts an lower-
     case wide character to the corresponding upper-case letter.


RETURN VALUES

     If the argument is an upper/lower-case letter, the tolower() function
     returns the corresponding counterpart if there is one; otherwise the
     argument is returned unchanged.


SEE ALSO

     tolower(3), toupper(3)


STANDARDS

     The functions conform to ISO/IEC 9899:1999 (``ISO C99'').

NetBSD 9.4_STABLE              December 22, 2000             NetBSD 9.4_STABLE