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-rw-r--r--include/extern.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/extern.h b/include/extern.h
index 1b28aeaa4..32f8ba1b9 100644
--- a/include/extern.h
+++ b/include/extern.h
@@ -613,7 +613,7 @@ E size_t strlcpy(char *, const char *, size_t);
#ifndef HAVE_STRLCAT
E size_t strlcat(char *, const char *, size_t);
#endif
-E char *stristr(char *s1, char *s2);
+E const char *stristr(const char *s1, const char *s2);
E char *strnrepl(char *s, int32 size, const char *old, const char *nstr);
E const char *merge_args(int argc, char **argv);
E const char *merge_args(int argc, const char **argv);