Batch job with error checking

/******************************************************
* LSBLIB -- Examples
*
* lsb_submit()
* Use lsb_submit() in the simplest way with error 
* checking 
*****************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <lsf/lsbatch.h>
#include "combine_arg.h"
    /* To use the function "combine_arg" to combine arguments on the         command line include its header file "combine_arg.h". */
int main(int argc, char **argv) 
{
    int i;
    struct submit req;            /* job specifications */
    memset(&req, 0, sizeof(req)); /* initializes req */
    struct submitReply  reply;    /* results of job submission */
    int  jobId;                    /* job ID of submitted job
*/
/* Check the return value of lsb_init() to ensure that the initialization of LSBLIB is successful. */
if (lsb_init(argv[0]) < 0) {
sb_perror("simbsub: lsb_init() failed");
  l    exit(-1);
 }
/* Check if the input is in the correct format: "./simbsub COMMAND [ARGUMENTS]"
(simbsub is the name of this executable program). */
if (argc < 2) {
 fprintf(stderr, "Usage: simbsub command\n");
 exit(-1);
  }
    req.options = 0;    /* Set options and options2 to 0 */
    req.options2 = 0;    /* to indicate no options are selected */
    req.beginTime = 0;  /* Set beginTime to 0 to dispatch job                            without delay */
    req.termTime  = 0;  /* Set termTime to 0 to indicate no                            terminating deadline */
/* Set Resource limits to default*/
for (i = 0; i < LSF_RLIM_NLIMITS; i++)
     req.rLimits[i] = DEFAULT_RLIMIT;
/*Initialize the initial number and maximum number of processors needed by a (parallel) job*/
req.numProcessors = 1; 
req.maxNumProcessors = 1;
    req.command = combine_arg(argc,argv);   /* Initialize                                                command line of                                               job */
printf("----------------------------------------------\n");
    jobId = lsb_submit(&req, &reply);       /*submit the job                                               with                                               specifications */
    exit(0);
} /* main */