diff --git a/cleonos/c/apps/help_main.c b/cleonos/c/apps/help_main.c
index a7863e8..bd9c10f 100644
--- a/cleonos/c/apps/help_main.c
+++ b/cleonos/c/apps/help_main.c
@@ -33,10 +33,10 @@ static int ush_cmd_help(void) {
     ush_writeln("  mkfsfat32 [label]");
     ush_writeln("  mount [path]     (default suggested: /temp/disk)");
     ush_writeln("  partctl <subcommand>   (mbr partition control: list/init-mbr/create/delete/set-boot)");
-    ush_writeln("  ping <a.b.c.d> [count]");
-    ush_writeln("  ifconfig");
-    ush_writeln("  nslookup <domain>");
-    ush_writeln("  httpget <http://host[:port]/path>");
+    ush_writeln("  ping <a.b.c.d> [count]");
+    ush_writeln("  ifconfig");
+    ush_writeln("  nslookup <domain>");
+    ush_writeln("  httpget <http://host[:port]/path>");
     ush_writeln("  pid");
     ush_writeln("  spawn <path|name> [args...] / bg <path|name> [args...]");
     ush_writeln("  wait <pid> / fg [pid]");
diff --git a/cleonos/c/apps/httpget_main.c b/cleonos/c/apps/httpget_main.c
index 7f6a17f..0d7688a 100644
--- a/cleonos/c/apps/httpget_main.c
+++ b/cleonos/c/apps/httpget_main.c
@@ -606,4 +606,4 @@ int cleonos_app_main(void) {
     }
 
     return (success != 0) ? 0 : 1;
-}
+}
diff --git a/cleonos/c/include/cleonos_syscall.h b/cleonos/c/include/cleonos_syscall.h
index d61b8bf..4c33d98 100644
--- a/cleonos/c/include/cleonos_syscall.h
+++ b/cleonos/c/include/cleonos_syscall.h
@@ -68,32 +68,32 @@ typedef struct cleonos_net_udp_send_req {
     u64 payload_len;
 } cleonos_net_udp_send_req;
 
-typedef struct cleonos_net_udp_recv_req {
-    u64 out_payload_ptr;
-    u64 payload_capacity;
-    u64 out_src_ipv4_ptr;
-    u64 out_src_port_ptr;
-    u64 out_dst_port_ptr;
-} cleonos_net_udp_recv_req;
-
-typedef struct cleonos_net_tcp_connect_req {
-    u64 dst_ipv4_be;
-    u64 dst_port;
-    u64 src_port;
-    u64 poll_budget;
-} cleonos_net_tcp_connect_req;
-
-typedef struct cleonos_net_tcp_send_req {
-    u64 payload_ptr;
-    u64 payload_len;
-    u64 poll_budget;
-} cleonos_net_tcp_send_req;
-
-typedef struct cleonos_net_tcp_recv_req {
-    u64 out_payload_ptr;
-    u64 payload_capacity;
-    u64 poll_budget;
-} cleonos_net_tcp_recv_req;
+typedef struct cleonos_net_udp_recv_req {
+    u64 out_payload_ptr;
+    u64 payload_capacity;
+    u64 out_src_ipv4_ptr;
+    u64 out_src_port_ptr;
+    u64 out_dst_port_ptr;
+} cleonos_net_udp_recv_req;
+
+typedef struct cleonos_net_tcp_connect_req {
+    u64 dst_ipv4_be;
+    u64 dst_port;
+    u64 src_port;
+    u64 poll_budget;
+} cleonos_net_tcp_connect_req;
+
+typedef struct cleonos_net_tcp_send_req {
+    u64 payload_ptr;
+    u64 payload_len;
+    u64 poll_budget;
+} cleonos_net_tcp_send_req;
+
+typedef struct cleonos_net_tcp_recv_req {
+    u64 out_payload_ptr;
+    u64 payload_capacity;
+    u64 poll_budget;
+} cleonos_net_tcp_recv_req;
 
 #define CLEONOS_SYSCALL_LOG_WRITE 0ULL
 #define CLEONOS_SYSCALL_TIMER_TICKS 1ULL
@@ -194,14 +194,14 @@ typedef struct cleonos_net_tcp_recv_req {
 #define CLEONOS_SYSCALL_NET_IPV4_ADDR 96ULL
 #define CLEONOS_SYSCALL_NET_PING 97ULL
 #define CLEONOS_SYSCALL_NET_UDP_SEND 98ULL
-#define CLEONOS_SYSCALL_NET_UDP_RECV 99ULL
-#define CLEONOS_SYSCALL_NET_NETMASK 100ULL
-#define CLEONOS_SYSCALL_NET_GATEWAY 101ULL
-#define CLEONOS_SYSCALL_NET_DNS_SERVER 102ULL
-#define CLEONOS_SYSCALL_NET_TCP_CONNECT 103ULL
-#define CLEONOS_SYSCALL_NET_TCP_SEND 104ULL
-#define CLEONOS_SYSCALL_NET_TCP_RECV 105ULL
-#define CLEONOS_SYSCALL_NET_TCP_CLOSE 106ULL
+#define CLEONOS_SYSCALL_NET_UDP_RECV 99ULL
+#define CLEONOS_SYSCALL_NET_NETMASK 100ULL
+#define CLEONOS_SYSCALL_NET_GATEWAY 101ULL
+#define CLEONOS_SYSCALL_NET_DNS_SERVER 102ULL
+#define CLEONOS_SYSCALL_NET_TCP_CONNECT 103ULL
+#define CLEONOS_SYSCALL_NET_TCP_SEND 104ULL
+#define CLEONOS_SYSCALL_NET_TCP_RECV 105ULL
+#define CLEONOS_SYSCALL_NET_TCP_CLOSE 106ULL
 
 u64 cleonos_syscall(u64 id, u64 arg0, u64 arg1, u64 arg2);
 u64 cleonos_sys_log_write(const char *message, u64 length);
@@ -303,13 +303,13 @@ u64 cleonos_sys_net_available(void);
 u64 cleonos_sys_net_ipv4_addr(void);
 u64 cleonos_sys_net_netmask(void);
 u64 cleonos_sys_net_gateway(void);
-u64 cleonos_sys_net_dns_server(void);
-u64 cleonos_sys_net_ping(u64 dst_ipv4_be, u64 poll_budget);
-u64 cleonos_sys_net_udp_send(const cleonos_net_udp_send_req *req);
-u64 cleonos_sys_net_udp_recv(cleonos_net_udp_recv_req *req);
-u64 cleonos_sys_net_tcp_connect(const cleonos_net_tcp_connect_req *req);
-u64 cleonos_sys_net_tcp_send(const cleonos_net_tcp_send_req *req);
-u64 cleonos_sys_net_tcp_recv(cleonos_net_tcp_recv_req *req);
-u64 cleonos_sys_net_tcp_close(u64 poll_budget);
-
-#endif
+u64 cleonos_sys_net_dns_server(void);
+u64 cleonos_sys_net_ping(u64 dst_ipv4_be, u64 poll_budget);
+u64 cleonos_sys_net_udp_send(const cleonos_net_udp_send_req *req);
+u64 cleonos_sys_net_udp_recv(cleonos_net_udp_recv_req *req);
+u64 cleonos_sys_net_tcp_connect(const cleonos_net_tcp_connect_req *req);
+u64 cleonos_sys_net_tcp_send(const cleonos_net_tcp_send_req *req);
+u64 cleonos_sys_net_tcp_recv(cleonos_net_tcp_recv_req *req);
+u64 cleonos_sys_net_tcp_close(u64 poll_budget);
+
+#endif
diff --git a/cleonos/c/src/syscall.c b/cleonos/c/src/syscall.c
index e7fb13b..a714cb6 100644
--- a/cleonos/c/src/syscall.c
+++ b/cleonos/c/src/syscall.c
@@ -440,22 +440,22 @@ u64 cleonos_sys_net_udp_send(const cleonos_net_udp_send_req *req) {
     return cleonos_syscall(CLEONOS_SYSCALL_NET_UDP_SEND, (u64)req, 0ULL, 0ULL);
 }
 
-u64 cleonos_sys_net_udp_recv(cleonos_net_udp_recv_req *req) {
-    return cleonos_syscall(CLEONOS_SYSCALL_NET_UDP_RECV, (u64)req, 0ULL, 0ULL);
-}
-
-u64 cleonos_sys_net_tcp_connect(const cleonos_net_tcp_connect_req *req) {
-    return cleonos_syscall(CLEONOS_SYSCALL_NET_TCP_CONNECT, (u64)req, 0ULL, 0ULL);
-}
-
-u64 cleonos_sys_net_tcp_send(const cleonos_net_tcp_send_req *req) {
-    return cleonos_syscall(CLEONOS_SYSCALL_NET_TCP_SEND, (u64)req, 0ULL, 0ULL);
-}
-
-u64 cleonos_sys_net_tcp_recv(cleonos_net_tcp_recv_req *req) {
-    return cleonos_syscall(CLEONOS_SYSCALL_NET_TCP_RECV, (u64)req, 0ULL, 0ULL);
-}
-
-u64 cleonos_sys_net_tcp_close(u64 poll_budget) {
-    return cleonos_syscall(CLEONOS_SYSCALL_NET_TCP_CLOSE, poll_budget, 0ULL, 0ULL);
-}
+u64 cleonos_sys_net_udp_recv(cleonos_net_udp_recv_req *req) {
+    return cleonos_syscall(CLEONOS_SYSCALL_NET_UDP_RECV, (u64)req, 0ULL, 0ULL);
+}
+
+u64 cleonos_sys_net_tcp_connect(const cleonos_net_tcp_connect_req *req) {
+    return cleonos_syscall(CLEONOS_SYSCALL_NET_TCP_CONNECT, (u64)req, 0ULL, 0ULL);
+}
+
+u64 cleonos_sys_net_tcp_send(const cleonos_net_tcp_send_req *req) {
+    return cleonos_syscall(CLEONOS_SYSCALL_NET_TCP_SEND, (u64)req, 0ULL, 0ULL);
+}
+
+u64 cleonos_sys_net_tcp_recv(cleonos_net_tcp_recv_req *req) {
+    return cleonos_syscall(CLEONOS_SYSCALL_NET_TCP_RECV, (u64)req, 0ULL, 0ULL);
+}
+
+u64 cleonos_sys_net_tcp_close(u64 poll_budget) {
+    return cleonos_syscall(CLEONOS_SYSCALL_NET_TCP_CLOSE, poll_budget, 0ULL, 0ULL);
+}