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/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
#include <string.h>
#include <libc/unconst.h>
char *
strstr(const char *s
, const char *find
)
{
char c, sc;
size_t len;
if ((c = *find++) != 0)
{
do {
do {
if ((sc = *s++) == 0)
return 0;
} while (sc != c);
} while (strncmp(s
, find
, len
) != 0);
s--;
}
return unconst(s, char *);
}