1 files changed, 17 insertions, 15 deletions

diff --git a/plugins/utils.h b/plugins/utils.h
index cb979ce..62e489b 100644
--- a/plugins/utils.h
+++ b/plugins/utils.h
@@ -16,6 +16,8 @@ suite of plugins. */
 /* now some functions etc are being defined in ../lib/utils_base.c */
 #include "utils_base.h"
 
+#include <stdbool.h>
+
 
 #ifdef NP_EXTRA_OPTS
 /* Include extra-opts functions if compiled in */
@@ -34,21 +36,21 @@ extern time_t start_time, end_time;
 
 /* Test input types */
 
-int is_integer (char *);
-int is_intpos (char *);
-int is_intneg (char *);
-int is_intnonneg (char *);
-int is_intpercent (char *);
-int is_uint64(char *number, uint64_t *target);
-int is_int64(char *number, int64_t *target);
-
-int is_numeric (char *);
-int is_positive (char *);
-int is_negative (char *);
-int is_nonnegative (char *);
-int is_percentage (char *);
-
-int is_option (char *);
+bool is_integer (char *);
+bool is_intpos (char *);
+bool is_intneg (char *);
+bool is_intnonneg (char *);
+bool is_intpercent (char *);
+bool is_uint64(char *number, uint64_t *target);
+bool is_int64(char *number, int64_t *target);
+
+bool is_numeric (char *);
+bool is_positive (char *);
+bool is_negative (char *);
+bool is_nonnegative (char *);
+bool is_percentage (char *);
+
+bool is_option (char *);
 
 /* Generalized timer that will do milliseconds if available */
 #ifndef HAVE_STRUCT_TIMEVAL