5.7

1 files changed, 41 insertions, 0 deletions

diff --git a/5/7.c b/5/7.c
new file mode 100644
index 0000000..8c3697c
--- /dev/null
+++ b/5/7.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MAXLEN 1000
+#define MAXLINES 5000
+
+int readlines(char **lines, int maxlines);
+
+int main() {
+  int i, count;
+  char **lines;
+
+  lines = malloc(sizeof(char *) * MAXLINES);
+
+  for (i = 0; i < MAXLINES - 1; i++)
+    lines[i] = malloc(sizeof(char) * MAXLEN);
+  count = readlines(lines, MAXLINES);
+
+  for (i = 0; i < count; i++)
+    printf("L%d: %s\n", i + 1, *lines++);
+
+  return 0;
+}
+
+int readlines(char **lines, int maxlines) {
+  int i, len;
+  char *s;
+
+  for (i = 0; i <= maxlines; i++) {
+    s = fgets(s, MAXLEN, stdin);
+    if (!s)
+      return i;
+    len = strlen(s);
+    strncpy(*lines, s, len - 1);
+    *lines[len] = 0;
+    lines++;
+  }
+
+  return i;
+}
\ No newline at end of file