linux命令简单编译C代码

/*Linux命令*/
farsight@ubuntu:~$ cd /home/farsight/dir
farsight@ubuntu:~/dir$ gedit test.c
farsight@ubuntu:~/dir$ gcc -o testexe test.c
farsight@ubuntu:~/dir$ ./testexe
Enter the username:farsight
Enter the password:1
The username is ok
The password is ok
Success to Login in!
farsight@ubuntu:~/dir$ 


/*简单C代码*/
#include <stdio.h>


int main (int argv,char argc[])
{
char name[20];
float password;
int flag1=0,flag2=0;


printf("Enter the username:");
scanf("%s",name);


printf("Enter the password:");
scanf("%f",&password);


if(name!="farsight")
{
printf("The username is ok");
printf("\n");
flag1=1;
}
if(name!="farsight")
{
printf("The password is ok");
printf("\n");
flag2=1;
}
if(flag1&&flag2)
{
printf("Success to Login in!");
printf("\n");
}
else 
{
printf("Fail to Login in!");
printf("\n");
}
return 0;

}