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-rw-r--r--src/include/cfuns.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/include/cfuns.h b/src/include/cfuns.h
index 9697cf06..d3a82fec 100644
--- a/src/include/cfuns.h
+++ b/src/include/cfuns.h
@@ -43,8 +43,8 @@ namespace OpenAxiom {
OPENAXIOM_C_EXPORT int addtopath(char*);
OPENAXIOM_C_EXPORT int directoryp(char*);
OPENAXIOM_C_EXPORT int make_path_from_file(char*, char*);
-OPENAXIOM_C_EXPORT int writeablep(char*);
-OPENAXIOM_C_EXPORT int readablep(char*);
+OPENAXIOM_C_EXPORT int writeablep(const char*);
+OPENAXIOM_C_EXPORT int readablep(const char*);
OPENAXIOM_C_EXPORT long findString(char*, char*);
OPENAXIOM_C_EXPORT int copyEnvValue(char*, char*);
OPENAXIOM_C_EXPORT int oa_chdir(const char*);