1 files changed, 31 insertions, 0 deletions
diff --git a/Semestr 4/ask/lista9/ropex.c b/Semestr 4/ask/lista9/ropex.c
new file mode 100644
index 0000000..dbeae12
--- /dev/null
+++ b/Semestr 4/ask/lista9/ropex.c
@@ -0,0 +1,31 @@
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+
+/* Get string from stdin */
+void readline(FILE *in, char *p) {
+  int c;
+  while (true) {
+    c = fgetc(in);
+    if (c == EOF || c == '\n')
+      break;
+    *p++ = c;
+  }
+  *p = '\0';
+} 
+
+void echo(FILE *in) {
+  char buf[48];
+  readline(in, buf);
+  puts(buf);
+}
+
+int main(int argc, char *argv[]) {
+  FILE *in = NULL;
+  if (argc == 2)
+    in = fopen(argv[1], "rb");
+  if (in == NULL)
+    in = stdin;
+  echo(in);
+  return 0;
+}