Return to unlink CVS log

Up to [MW Coherent from dump] / coherent / a / usr / man / MULTI

Annotation of coherent/a/usr/man/MULTI/unlink, revision 1.1.1.1

1.1       root        1: 
                      2: 
                      3: unlink()               COHERENT System Call              unlink()
                      4: 
                      5: 
                      6: 
                      7: 
                      8: Remove a file
                      9: 
                     10: iinntt uunnlliinnkk(_n_a_m_e) cchhaarr *_n_a_m_e;
                     11: 
                     12: unlink removes the directory entry for the given file name, which
                     13: in effect erases name from  the disk.  name cannot be opened once
                     14: it has been unlinked.  If name is the last link, unlink frees the
                     15: i-node and  data blocks.  Deallocation is delayed  if the file is
                     16: open.  Other links to the file remain intact.
                     17: 
                     18: ***** Example *****
                     19: 
                     20: This example removes the files named on the command line.
                     21: 
                     22: 
                     23: main(argc, argv)
                     24: int argc; char *argv[];
                     25: {
                     26:         int i;
                     27: 
                     28: 
                     29: 
                     30:         for (i = 1; i < argc; i++) {
                     31:                 if (unlink(argv[i]) == -1) {
                     32:                         printf("Cannot unlink \"%s\"\n", argv[i]);
                     33:                         exit(1);
                     34:                 }
                     35:         }
                     36:         exit(0);
                     37: }
                     38: 
                     39: 
                     40: ***** See Also *****
                     41: 
                     42: COHERENT system calls, link(), ln, rm, rmdir
                     43: 
                     44: ***** Diagnostics *****
                     45: 
                     46: uunnlliinnkk returns zero when  successful.  It returns -1 if file does
                     47: not exist, if the user  does not have write and search permission
                     48: in the  directory containing file, or if file  is a directory and
                     49: the invoker is not the superuser.
                     50: 
                     51: 
                     52: 
                     53: 
                     54: 
                     55: 
                     56: 
                     57: 
                     58: 
                     59: 
                     60: 
                     61: 
                     62: 
                     63: 
                     64: COHERENT Lexicon                                           Page 1
                     65: 
                     66: 

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.