Character array in C

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January 16th, 2004, 01:21 PM

Srinivas Sagar

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Character array in C

I have a character array RIB which is a part of a structure REL

that is
typedef struct
{ char JUNK[17],
char RIB[3]
} REL

In my code I have an instance (maybe it is wrong to use that word in C but I come from a Java background)

REL rel;

Now I want to print the the first character of the character array RIB
so I try:

printf("First character in rib is :%c\n",&rel->RIB[0]);

But that does not print it out for me. I tried %s and and%d but to no avail ,any suggestions?

January 16th, 2004, 01:36 PM

narbo

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printf("First character in rib is :%c\n",rel.RIB[0]);

January 17th, 2004, 06:34 PM

Bacat

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Your struct code should look like this, I believe:

Code:

struct REL {
char JUNK[17];
char RIB[3]
};

REL rel;      //defines a structure rel of type REL

So, rel is the name of a structure REL, and the char array RIB is referenced by rel.RIB[0], like narbo showed. If you created a pointer to the structure, then you would use -> notation...

Code:

struct REL *r;   //creates a pointer of type struct REL
r=&rel;      //points r to the address of structure rel
cout<<r->RIB[0];

Hope this helps you understand why it works that way!
-Tim

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