Programming

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include "extern.h"

char* program_name;

int allpaths;			/* -a */
int readalias;			/* -r */
const char *name = "PATH";
char *value;
int result;
char *filename;
char *pathsep = "/";
int i;

/*PASTED ONLY THE REQUIRED PART*/
int processIt(const char* command,  char* paths[])
{
  /* check your arguments! */
  /* At this point, the command line options have been taken care of assuming that only one option was there.
  Now, we need to take this "command" that was sent to us from the main function and then search for this command in the paths.*/
  
  /*paths contains the current path to be searched*/
  for(i=0;i<MAX_PATHS;i++) {
  strcat(paths[i],pathsep);
  strcat(paths[i],command);
  printf("%s",paths[i]);
  /*result = access(paths[i], F_OK);*/
  printf("%d",result); }
  return 0;
} /* processIt! */

for (i=0;i<number_of_paths;i++) 
{
  char tmp[1024];
  strcpy(tmp,paths[i]);
  strcat(tmp,pathsep);
  strcat(tmp,command);
  printf("%s",tmp);
  result = access(tmp, X_OK);
  printf("%d",result); 
}

  int processIt(const char* command,  char* paths[])
  {
           
        /*paths contains the current path to be searched*/
        for(i=0;i<MAX_PATHS;i++) {
            strcat(temp,paths[i]);  
            strcat(temp,pathsep);
            strcat(temp,command);
            result = access(temp, F_OK);
            if(result == 0)
            {
              printf("%s\t",temp);
              printf("%d\n",result);
            }
            for(j=0;j<MAX_PATHS;j++)
              temp[j] = '\0';
        }
        return 0;
  } /* processIt! */

gma@server1 [~/public_html/os/skeleton]# ./uwhich -a curl

i is 0
        Errno: 2        /usr/local/jdk/bin/curl
i is 1
        Errno: 2        /usr/kerberos/bin/curl
i is 2
        Errno: 2        /usr/lib/courier-imap/bin/curl
i is 3
        Errno: 2        /usr/local/bin/curl
i is 4
        Errno: 2        /bin/curl
i is 5
/usr/bin/curl   0
/usr/bin/curl
i is 6
        Errno: 2        /usr/X11R6/bin/curl
i is 7
        Errno: 2        /usr/local/bin/curl
i is 8
        Errno: 2        /usr/X11R6/bin/curl
i is 9
Segmentation fault (core dumped)
gma@server1 [~/public_html/os/skeleton]# echo $PATH
/usr/local/jdk/bin:/usr/kerberos/bin:/usr/lib/courier-imap/bin:/usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin:/usr/local/bin:/usr/X11R6/bin:/home/enigma/bin
gma@server1 [~/public_html/os/skeleton]#