From f04f83d462f8d11390332807966ba39bc5233ca3 Mon Sep 17 00:00:00 2001
From: Sadeep Madurange <smadurange@users.noreply.github.com>
Date: Sat, 20 Nov 2021 21:05:14 +0800
Subject: 1.17

---
 1/17.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 1/17.c

(limited to '1')

diff --git a/1/17.c b/1/17.c
new file mode 100644
index 0000000..ace507f
--- /dev/null
+++ b/1/17.c
@@ -0,0 +1,53 @@
+#include <stdio.h>
+
+#define MAXLEN 1000
+#define TRUE 1
+#define FALSE 0
+
+int getlineraw(char s[], int size);
+void trim(char to[], char from[], int size);
+
+/* removes trailing blanks and tabs from input */
+int main(int argc, char *argv[]) {
+  int size;
+  char s[MAXLEN], trimmed[MAXLEN];
+
+  while ((size = getlineraw(s, MAXLEN)) > 0) {
+    trim(trimmed, s, size);
+    printf("%s\n", trimmed);
+  }
+
+  if (size == -1) {
+    printf("exceeded max input size: %d\n", MAXLEN);
+    return 1;
+  }
+
+  return 0;
+}
+
+int getlineraw(char s[], int size) {
+  int c, i;
+
+  for (i = 0; i < size - 1 && (c = getchar()) != EOF && c != '\n'; i++)
+    s[i] = c;
+
+  return c != '\n' && c != EOF ? -1 : i;
+}
+
+void trim(char to[], char from[], int size) {
+  int i, c, trimmed;
+
+  trimmed = FALSE;
+
+  for (i = size - 1; i >= 0; i--) {
+    if (!trimmed) {
+      c = from[i];
+      if (c != ' ' && c != '\t') {
+        to[i] = c;
+        trimmed = TRUE;
+      }
+    } else {
+      to[i] = from[i];
+    }
+  }
+}
\ No newline at end of file
-- 
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