WCONV(3W-SVR4) RISC/os Reference Manual WCONV(3W-SVR4)
NAME
wconv: towupper, towlower - translate characters
SYNOPSIS
#include <ctype.h>
#include <widec.h>
#include <wctype.h>
wchart towupper(wchart c);
wchart towlower(wchart c);
DESCRIPTION
If the argument to towupper() represents a lower-case letter
of the ASCII or supplementary code sets, the result is the
corresponding upper-case letter. If the argument to
towlower() represents an upper-case letter of the ASCII or
supplementary code sets, the result is the corresponding
lower-case letter.
In the case of all other arguments, the return value in
unchanged. The table which is used for translation is gen-
erated by wchrtbl(1M).
SEE ALSO
ctype(3C), wctype(3W), wchrtbl(1M).
Printed 11/19/92 Page 1