gcc -fno-strict-aliasing -fwrapv -DHAVE_CHICKEN_CONFIG_H -DC_ENABLE_PTABLES -c -Os -march=native  -DC_BUILDING_LIBCHICKEN posixunix.c -o posixunix-static.o -I. -I./
In function ‘stub398’,
    inlined from ‘f_1379’ at tcp.c:1466:8:
tcp.c:190:1: warning: ‘memset’ writing 12 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
  190 | memset(addr, 0, sizeof(struct sockaddr_in));
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

#define return(x) C_cblock C_r = (((C_word)(x))); goto C_ret; C_cblockend
C_regparm static C_word C_fcall stub398(C_word C_buf,C_word C_a0,C_word C_a1){
C_word C_r=C_SCHEME_UNDEFINED,*C_a=(C_word*)C_buf;
void * saddr=(void * )C_data_pointer_or_null(C_a0);
unsigned short port=(unsigned short )(unsigned short)C_unfix(C_a1);
struct sockaddr_in *addr = (struct sockaddr_in *)saddr;
memset(addr, 0, sizeof(struct sockaddr_in));
addr->sin_family = AF_INET;
addr->sin_port = htons(port);
addr->sin_addr.s_addr = htonl(INADDR_ANY);
C_ret:
#undef return

return C_r;}