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-rw-r--r--lib/util/nstring.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/util/nstring.h b/lib/util/nstring.h
index d976e859..70a53f45 100644
--- a/lib/util/nstring.h
+++ b/lib/util/nstring.h
@@ -5,6 +5,7 @@
 #include <string.h>
 #include <ctype.h>
 
+#include "pm_c_util.h"
 #include "pm.h"  /* For PM_GNU_PRINTF_ATTR, __inline__ */
 
 #ifdef __cplusplus
@@ -155,6 +156,9 @@ memmemN(const char * const haystack,
         const char * const needle,
         size_t       const needlelen);
 
+bool
+strishex(const char * const subject);
+
 #ifdef __cplusplus
 }
 #endif