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- /*
- * This file is part of the UCB release of Plan 9. It is subject to the license
- * terms in the LICENSE file found in the top-level directory of this
- * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
- * part of the UCB release of Plan 9, including this file, may be copied,
- * modified, propagated, or distributed except according to the terms contained
- * in the LICENSE file.
- */
- #include <u.h>
- #include <libc.h>
- #include <ctype.h>
- char*
- strupr(char *s)
- {
- char *p;
- for(p = s; *p; p++)
- if(*p >= 0 && islower(*p))
- *p = toupper(*p);
- return s;
- }
- char*
- strlwr(char *s)
- {
- char *p;
- for(p = s; *p; p++)
- if(*p >= 0 && isupper(*p))
- *p = tolower(*p);
- return s;
- }
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