From bbfec50dc1ee109b6980605eb0d19e6a4641968a Mon Sep 17 00:00:00 2001
From: Sadeep Madurange <smadurange@users.noreply.github.com>
Date: Wed, 29 Dec 2021 19:28:36 +0800
Subject: 5.3

---
 5/3.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 5/3.c

(limited to '5/3.c')

diff --git a/5/3.c b/5/3.c
new file mode 100644
index 0000000..fe839a4
--- /dev/null
+++ b/5/3.c
@@ -0,0 +1,37 @@
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define MAXLEN 1000
+
+void mstrcat(char *, char *);
+
+int main(int argc, char *argv[]) {
+  char *s, *t;
+  size_t n;
+
+  s = malloc(MAXLEN);
+  t = malloc(MAXLEN);
+  n = sizeof(s);
+
+  printf("first str: ");
+  getline(&s, &n, stdin);
+
+  printf("second str: ");
+  getline(&t, &n, stdin);
+
+  mstrcat(s, t);
+  printf("strcat: %s\n", s);
+
+  return 0;
+}
+
+void mstrcat(char *s, char *t) {
+  int i;
+
+  for (i = 0; i < MAXLEN - 1 && *s++; i++)
+    ;
+  for (s -= 2; i < MAXLEN - 1 && (*s++ = *t++) != '\n'; i++)
+    ;
+  *s = 0;
+}
\ No newline at end of file
-- 
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