github.com/zhuohuang-hust/src-cbuild@v0.0.0-20230105071821-c7aab3e7c840/contrib/syscall-test/raw.c (about)

     1  #include <stdio.h>
     2  #include <unistd.h>
     3  #include <sys/socket.h>
     4  #include <netinet/ip.h>
     5  #include <netinet/udp.h>
     6  
     7  int main() {
     8  	if (socket(PF_INET, SOCK_RAW, IPPROTO_UDP) == -1) {
     9  		perror("socket");
    10  		return 1;
    11  	}
    12  
    13  	return 0;
    14  }