/* 1. Include appropriate files. */
#include <stdio.h>
#include <cadef.h> /* EPICS specific */

#define USAGE "usage: ezee <PV name>"

int main(int argc, char **argv)
{
    chid chan;
    dbr_string_t string;
    int  status;

    if(argc != 2)  {
	printf("%s\n", USAGE);
	exit(-1);
    }
    
    /* 2. Initialize Channel Access. */
    status = ca_task_initialize();
    SEVCHK(status, "Unable to initialize");
    if (status != ECA_NORMAL)
	exit(-1);
    
    /* 3. Make search request. */
    status = ca_search(argv[1], &chan);
    if (status != ECA_NORMAL)  {
	printf("%s: problem establishing connection to %s.", ca_message(status), argv[1]);
	exit(-1);
    }
    
    /* 4. Send the request and wait for channel to be found. */
    status = ca_pend_io(1.0);
    if (status != ECA_NORMAL)  {
	printf("%s: Not Found\n", argv[1]);
	exit(-1);
    }
    
    /* 5. Make get request. */
    status = ca_bget(chan, string);
    SEVCHK(status, "Error in call to ca_bget()" );
    
    status = ca_pend_io(1.0);
    if (status != ECA_NORMAL)  {
	printf("%s: Get Timed Out\n", argv[1]);
	exit(-1);
    }
    printf("%s\n", string);
    
    /* 6. Free resources and close channel access. */
    ca_task_exit();
    return(0);
}