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STRUPR.C
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C/C++ Source or Header
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1994-04-03
|
465b
|
30 lines
/*
** Portable, public domain strupr() & strlwr()
*/
#include <ctype.h>
char *strupr(char *str)
{
char *string = str;
if (str)
{
for ( ; *str; ++str)
*str = toupper(*str);
}
return string;
}
char *strlwr(char *str)
{
char *string = str;
if (str)
{
for ( ; *str; ++str)
*str = tolower(*str);
}
return string;
}