upd

1 files changed, 20 insertions, 0 deletions

diff --git a/csrc/wc.c b/csrc/wc.c
new file mode 100644
index 0000000..1059c5c
--- /dev/null
+++ b/csrc/wc.c
@@ -0,0 +1,20 @@
+#include "wc.h"
+#include <stdio.h>
+
+int count_lines(char *src) {
+  FILE *file = fopen(src, "r");
+
+  if (file == NULL) {
+    return -1;
+  }
+
+  int lines = 0;
+  char c;
+  while ((c = fgetc(file)) != EOF) {
+    if (c == '\n') {
+      lines++;
+    }
+  }
+  fclose(file);
+  return lines;
+}