void _main(){char * data;_union_type my_union;char data_buf[100]=FULL_COMMAND;data=data_buf;{size_t data_len=strlen(data);char * environment=GETENV(ENV_VARIABLE);if (environment!=NULL){strncat(data+data_len, environment, 100-data_len-1);}}my_union.a=data;{char * data=my_union.b;system(data);}}
static void main(){char * data;_union_type my_union;char data_buf[100]=FULL_COMMAND;data=data_buf;strcat(data, "*.*");my_union.a=data;{char * data=my_union.b;system(data);}}