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-rw-r--r--string/argz.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/string/argz.h b/string/argz.h
index 0975dd18b9..924dd46019 100644
--- a/string/argz.h
+++ b/string/argz.h
@@ -32,8 +32,8 @@ __BEGIN_DECLS
 /* Make a '\0' separated arg vector from a unix argv vector, returning it in
    ARGZ, and the total length in LEN.  If a memory allocation error occurs,
    ENOMEM is returned, otherwise 0.  The result can be destroyed using free. */
-error_t __argz_create __P ((char *argv[], char **argz, size_t *len));
-error_t argz_create __P ((char *argv[], char **argz, size_t *len));
+error_t __argz_create __P ((char *const argv[], char **argz, size_t *len));
+error_t argz_create __P ((char *const argv[], char **argz, size_t *len));
 
 /* Make a '\0' separated arg vector from a SEP separated list in
    STRING, returning it in ARGZ, and the total length in LEN.  If a