towctrns.gml

来自「开放源码的编译器open watcom 1.6.0版的源代码」· GML 代码 · 共 72 行

.func towctrans
#include <wctype.h>
wint_t towctrans( wint_t wc, wctrans_t desc );
.ixfunc2 '&Conversion' &func
.ixfunc2 '&Wide' &func
.funcend
.*
.desc begin
The &func function maps the wide character
.arg wc
using the mapping described by
.arg desc.
Valid values of
.arg desc
are defined by the use of the
.kw wctrans
function.
.np
The two expressions listed below behave the same as a
call to the wide character case mapping function shown.
.begterm 20
.termhd1 Expression
.termhd2 Equivalent
.*
.term towctrans(wc, wctrans("tolower"))
towlower(wc)
.*
.term towctrans(wc, wctrans("toupper"))
towupper(wc)
.*
.endterm
.desc end
.*
.return begin
The &func function returns the mapped value of
.arg wc
using the mapping described by
.arg desc.
.return end
.*
.see begin
.im seeis &function.
.see end
.*
.exmp begin
#include <stdio.h>
#include <wctype.h>

char *translations[2] = {
    "tolower",
    "toupper"
};
.exmp break
void main( void )
{
    int     i;
    wint_t  wc = 'A';
    wint_t  twc;
.exmp break
    for( i = 0; i < 2; i++ ) {
        twc = towctrans( wc, wctrans( translations[i] ) );
        printf( "%s(%lc): %lc\n", translations[i], wc, twc );
    }
}
.exmp output
tolower(A): a
toupper(A): A
.exmp end
.*
.class ANSI
.system