whoami的源代码

作者：brilliantcn  

include
#include
#include

int main( int argc,char *argv[]) 
{
        struct passwd *strpwd;
        
        strpwd=getpwuid(getuid());
        printf("real user name is: %s\n", strpwd->pw_name); 
        strpwd=getpwuid(geteuid());
        printf("effective user name is: %s\n", strpwd->pw_name);
        return 0;
}