freebsd-src/lib/libc/locale/toupper.c

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#include <stdio.h>
#include <rune.h>
_BSD_RUNE_T_
___toupper(c)
_BSD_RUNE_T_ c;
{
int x;
_RuneRange *rr = &_CurrentRuneLocale->mapupper_ext;
_RuneEntry *re = rr->ranges;
if (c == EOF)
return(EOF);
for (x = 0; x < rr->nranges; ++x, ++re) {
if (c < re->min)
return(c);
if (c <= re->max)
return(re->map + c - re->min);
}
return(c);
}