From 292c5fb43f5402bcbd2c26607543f5bfc815e8e5 Mon Sep 17 00:00:00 2001
From: "Douglas B. Rumbaugh" <doug@douglasrumbaugh.com>
Date: Fri, 19 Sep 2025 16:54:04 -0400
Subject: Portability and Bugfixes

---
 include/cumsum.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'include/cumsum.h')

diff --git a/include/cumsum.h b/include/cumsum.h
index 50ff0b1..1d8387b 100644
--- a/include/cumsum.h
+++ b/include/cumsum.h
@@ -1,8 +1,11 @@
 /*
  */
 
-#ifndef H_CDF
-#define H_CDF
+#ifndef H_CUMSUM
+#define H_CUMSUM
+
+#define _GNU_SOURCE  /* Enable getline on Linux */
+#define _POSIX_C_SOURCE 200809L  /* Enable POSIX features */
 
 #include <stdlib.h>
 #include <errno.h>
@@ -12,6 +15,7 @@
 #include <getopt.h>
 #include <string.h>
 #include <stdint.h>
+#include <inttypes.h>
 #include <assert.h>
 
 typedef union {
@@ -25,10 +29,6 @@ static void help();
 static int process_data(FILE *file);
 static void print_sum(Number sum);
 
-static int read_data_int(FILE *file, Number *num);
-static int read_data_uint(FILE *file, Number *num);
-static int read_data_fp(FILE *file, Number *num);
-
 #endif
 
  
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