1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <unistd.h>
   5 #include <sys/types.h>
   6 #include <sys/stat.h>
   7 
   8 int main(int argc, char **argv) {
   9      struct stat filestat;
  10      FILE *f;
  11      char *filebuf = NULL;
  12      char *buf_start;
  13      char *delimiter = " \t\n\r\f\v";
  14      char *s;
  15 
  16      if(argc != 2) {
  17           fprintf(stderr, "Usage: %s filename\n", argv[0]);
  18           return EXIT_FAILURE;
  19      }
  20      if(! (f = fopen(argv[1], "r"))) goto ERROR;
  21      if(stat(argv[1], &filestat) == -1) goto ERROR;
  22      if(! (filebuf = (char *)calloc(filestat.st_size + 1, sizeof(char)))) goto ERROR;
  23      buf_start = filebuf;
  24      fread(filebuf, sizeof(char), filestat.st_size, f);
  25      if(ferror(f)) goto ERROR;
  26      if(fclose(f) == EOF) goto ERROR;
  27      while(s = strsep(&filebuf, delimiter)) {
  28           if(strlen(s) > 0) {
  29                printf("%s\n", s);
  30           }
  31      }
  32      free(buf_start);
  33      return EXIT_SUCCESS;
  34 
  35  ERROR:
  36      if(filebuf) free(filebuf);
  37      perror("");
  38      return EXIT_FAILURE;
  39 }

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <unistd.h>
   5 #include <sys/types.h>
   6 #include <sys/stat.h>
   7 
   8 int
   9 main (argc, argv)
  10      int argc;
  11      char **argv;
  12 {
  13   struct stat filestat;
  14   FILE *f;
  15   char *filebuf = NULL;
  16   char *buf_start;
  17   char *delimiter = " \t\n\r\f\v";
  18   char *s;
  19 
  20   if (argc != 2)
  21     {
  22       fprintf(stderr, "Usage: %s filename\n", argv[0]);
  23       return EXIT_FAILURE;
  24     }
  25   f = fopen (argv[1], "r");
  26   if (! f)
  27     {
  28       goto ERROR;
  29     }
  30   if (stat(argv[1], &filestat) == -1)
  31     {
  32       goto ERROR;
  33     }
  34 
  35   filebuf = (char *)calloc (filestat.st_size + 1, sizeof (char));
  36   if (! filebuf)
  37     {
  38       goto ERROR;
  39     }
  40 
  41   buf_start = filebuf;
  42   fread (filebuf, sizeof (char), filestat.st_size, f);
  43   if (ferror (f))
  44     {
  45       goto ERROR;
  46     }
  47   if (fclose (f) == EOF)
  48     {
  49       goto ERROR;
  50     }
  51   while (s = strsep (&filebuf, delimiter))
  52     {
  53       if (strlen(s) > 0)
  54         {
  55           printf ("%s\n", s);
  56         }
  57     }
  58   free (buf_start);
  59   return EXIT_SUCCESS;
  60 
  61  ERROR:
  62   if (filebuf)
  63     {
  64       free (filebuf);
  65     }
  66   perror ("");
  67   return EXIT_FAILURE;
  68 }