Print #'s on total winsize width

winsz.c

@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <sys/ioctl.h>
 #include <unistd.h>
+#include <string.h>
 
 int main(void) {
     struct winsize w;
@@ -17,5 +18,14 @@ int main(void) {
     printf("Rows (height): %d\n", w.ws_row);
     printf("Cols (width):  %d\n", w.ws_col);
 
+    char buf[1024];
+
+    if(w.ws_col < 1024) {
+        memset(buf, '#', w.ws_col);
+        buf[w.ws_col] = '\0';
+    }
+
+    printf("%s", buf);
+
     return 0;
 }