git: 9front

ref: 89ae2d38c7be859c09fd4a38b3c8b4967f4abf68
dir: /sys/src/libhttpd/lower.c/

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#include <u.h>
#include <libc.h>
#include <bin.h>
#include <httpd.h>

char*
hlower(char *p)
{
	char c;
	char *x;

	if(p == nil)
		return p;

	for(x = p; c = *x; x++)
		if(c >= 'A' && c <= 'Z')
			*x -= 'A' - 'a';
	return p;
}