diff --git a/procps/free.c b/procps/free.c
index a33fa9a..f2e746e 100644
--- a/procps/free.c
+++ b/procps/free.c
@@ -60,7 +60,7 @@
 	printf("%6s%13ld%13ld%13ld\n", "Total:", info.totalram+info.totalswap,
 			(info.totalram-info.freeram)+(info.totalswap-info.freeswap),
 			info.freeram+info.freeswap);
-	return(TRUE);
+	return EXIT_SUCCESS;
 }
 
 
diff --git a/procps/kill.c b/procps/kill.c
index 7ade822..dd5ca49 100644
--- a/procps/kill.c
+++ b/procps/kill.c
@@ -158,7 +158,7 @@
 						}
 					}
 					fprintf(stderr, "\n\n");
-					exit(TRUE);
+					return EXIT_SUCCESS;
 				}
 				break;
 			case '-':
@@ -236,11 +236,12 @@
 			 * upon exit, so we can save a byte or two */
 			argv++;
 		}
-		exit (all_found);
+		if (all_found == FALSE)
+			return EXIT_FAILURE;
 	}
 #endif
 
-	exit(TRUE);
+	return EXIT_SUCCESS;
 
 
   end:
diff --git a/procps/ps.c b/procps/ps.c
index df32161..4998e15 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -183,7 +183,7 @@
 		fprintf(stdout, "\n");
 	}
 	closedir(dir);
-	return(TRUE);
+	return EXIT_SUCCESS;
 }
 
 
diff --git a/procps/uptime.c b/procps/uptime.c
index fe4e48c..159f24b 100644
--- a/procps/uptime.c
+++ b/procps/uptime.c
@@ -70,5 +70,5 @@
 			LOAD_INT(info.loads[1]), LOAD_FRAC(info.loads[1]), 
 			LOAD_INT(info.loads[2]), LOAD_FRAC(info.loads[2]));
 
-	return(TRUE);
+	return EXIT_SUCCESS;
 }