[LCP]query regarding pointers in C

["sowmya.k" <sowmi99@yahoo.com>]

pls tell me how these 2 pgms work

 

1. #include<stdio.h>

    main()

   {

     int a=555,*ptr=&a,b=*ptr;

     printf("%d %d %d",++a,--b,(*ptr)++);

}

 

for this the output is 557 554 555

 

2. #include<stdio.h>

    main()

   {

     int a=555,*ptr=&a,b=*ptr;

     printf("%d %d %d",++a,--b,*ptr++);

}

 

for this i got the output as 556 554 555

Could any one pls explain me the reson behind this output

Thanking you,

Sowmya

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