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Subject: NETWORK PROGRAMMING LAB Year : 2010<br />
Class : IV B-Tech C.S.E Semester: First<br />
/* file msgrecvQ.c */<br />
# include <br />
# include <br />
# include <br />
# include <br />
# include <br />
# include <br />
//message structure<br />
struct message<br />
{<br />
long msg_type;<br />
char msg_data[1024];<br />
};<br />
int main(int argc,char*argv[])<br />
{<br />
FILE*f;<br />
int x,y,i=0;<br />
char ch;<br />
struct message msg_obj2={100,"M"};<br />
int msg_id;<br />
//creating msg q id<br />
if((msg_id=msgget(1234,0644))==-1)<br />
perror("\nUnable to get message id...");<br />
else<br />
printf("\nmsgid=%d",msg_id);<br />
/* rec message from q*/<br />
if((y=msgrcv(msg_id,&msg_obj2,1024,100,MSG_NOERROR))==-1)<br />
perror(":- msgrcv error...");<br />
else<br />
printf("\nRec Bytes : %d",y);<br />
NP Lab Manual , RNEC page: 15
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