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-rw-r--r--src/getopt.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/getopt.h b/src/getopt.h
index 20a7dc7..ead9878 100644
--- a/src/getopt.h
+++ b/src/getopt.h
@@ -41,9 +41,9 @@ extern "C"
/* function prototypes */
int getopt (int argc, char **argv, char *optstring);
int getopt_long (int argc, char **argv, const char *shortopts,
- GETOPT_LONG_OPTION_T * longopts, int *longind);
+ const GETOPT_LONG_OPTION_T * longopts, int *longind);
int getopt_long_only (int argc, char **argv, const char *shortopts,
- GETOPT_LONG_OPTION_T * longopts, int *longind);
+ const GETOPT_LONG_OPTION_T * longopts, int *longind);
#ifdef __cplusplus
};