commit for once

1 files changed, 24 insertions, 0 deletions

diff --git a/3/10_control_and_data/01_echo.c b/3/10_control_and_data/01_echo.c
new file mode 100644
index 0000000..8ef71e2
--- /dev/null
+++ b/3/10_control_and_data/01_echo.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+char* gets(char *s) {
+    int c;
+    char *dest = s;
+    while ((c = getchar()) != '\n' && c != EOF) {
+        *dest++ = c;
+    }
+    if ( c == EOF && dest == s) {
+        return NULL;
+    }
+    *dest++ = '\0';
+    return s;
+}
+
+void echo() {
+    char buf[8];
+    gets(buf);
+    puts(buf);
+}
+
+int main(void) {
+    echo();
+}