code: plan9front

ref: 2eadf1fa1703e5da4a98ba9c1a2bdc23bd140d8c
dir: /sys/src/libString/s_tolower.c/

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#include <u.h>
#include <libc.h>
#include "String.h"


/* convert String to lower case */
void
s_tolower(String *sp)
{
	char *cp;

	for(cp=sp->ptr; *cp; cp++)
		*cp = tolower(*cp);
}