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/*
FUNCTION
<<strlwr>>---force string to lowercase
INDEX
strlwr
SYNOPSIS
#include <string.h>
char *strlwr(char *<[a]>);
DESCRIPTION
<<strlwr>> converts each character in the string at <[a]> to
lowercase.
RETURNS
<<strlwr>> returns its argument, <[a]>.
PORTABILITY
<<strlwr>> is not widely portable.
<<strlwr>> requires no supporting OS subroutines.
QUICKREF
strlwr
*/
#include <string.h>
#include <ctype.h>
char *
strlwr (char *s)
{
unsigned char *ucs = (unsigned char *) s;
for ( ; *ucs != '\0'; ucs++)
{
*ucs = tolower(*ucs);
}
return s;
}
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