1 files changed, 36 insertions, 0 deletions
diff --git a/server.c b/server.c
new file mode 100644
index 0000000..e35a9b5
--- /dev/null
+++ b/server.c
@@ -0,0 +1,36 @@
+// Initially based on https://stackoverflow.com/a/35570418
+
+#include <netinet/in.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+int main(void)
+{
+    int const fd = socket(AF_INET, SOCK_DGRAM, 0);
+    if (fd < 0) {
+        perror("socket failed");
+        return 1;
+    }
+    struct sockaddr_in const serveraddr = {
+        .sin_family = AF_INET,
+        .sin_port = htons(50037),
+        .sin_addr.s_addr = htonl(INADDR_ANY),
+    };
+    if (bind(fd, (struct sockaddr *)&serveraddr, sizeof(serveraddr)) < 0) {
+        perror("bind failed");
+        return 1;
+    }
+    for (;;) {
+        char buffer[200];
+        int const length = recvfrom(fd, buffer, sizeof(buffer) - 1, 0, NULL, 0);
+        if (length < 0) {
+            perror("recvfrom failed");
+            break;
+        }
+        buffer[length] = '\0';
+        printf("%d bytes: '%s'\n", length, buffer);
+    }
+    close(fd);
+}