zip_name_locate —
    get index of file by name
#include
  <zip.h>
zip_int64_t
  
  zip_name_locate(zip_t
    *archive, const char
    *fname, zip_flags_t
    flags);
The
    zip_name_locate()
    function returns the index of the file named fname in
    archive. If archive does not
    contain a file with that name, -1 is returned.
If neither ZIP_FL_ENC_RAW nor
    ZIP_FL_ENC_STRICT are specified, guess the encoding
    of the name in the ZIP archive and convert it to UTF-8, if necessary, before
    comparing.
If neither ZIP_FL_ENC_CP437 nor
    ZIP_FL_ENC_UTF_8 are specified, guess the encoding
    of fname.
Only CP-437 and UTF-8 are recognized.
The flags are specified by
    or'ing
    the following values, or 0 for none of them.
  - ZIP_FL_NOCASE
- Ignore case distinctions. (Will only work well if the file names are
      ASCII.) With this flag,
      zip_name_locate()
      will be slow for archives with many files.
- ZIP_FL_NODIR
- Ignore directory part of file name in archive. With this flag,
      zip_name_locate() will be slow for archives with
      many files.
- ZIP_FL_ENC_GUESS
- This flag has no effect (its value is 0); it can be used to explicitly
      denote the absence of encoding flags.
- ZIP_FL_ENC_RAW
- Compare fname against the unmodified names as they
      are in the ZIP archive, without converting them to UTF-8.
- ZIP_FL_ENC_STRICT
- Follow the ZIP specification and expect CP-437 encoded names in the ZIP
      archive (except if they are explicitly marked as UTF-8). Convert them to
      UTF-8 before comparing.
- ZIP_FL_ENC_CP437
- fname is encoded as CP-437.
- ZIP_FL_ENC_UTF_8
- fname is encoded as UTF-8.
 
Note:
    ASCII is a subset of both CP-437 and UTF-8.
zip_name_locate() returns the index of the
    file named fname or -1, if
    archive does not contain an entry of that name.
zip_name_locate() fails if:
  - [ZIP_ER_INVAL]
- One of the arguments is invalid.
- [ZIP_ER_MEMORY]
- Required memory could not be allocated.
- [ZIP_ER_NOENT]
- No entry of the name fname is found in the
    archive.
zip_name_locate() was added in libzip 0.6.
    In libzip 0.11 the return type was changed from int to
    zip_int64_t. In libzip 0.11 the type of
    flags was changed from int to
    zip_flags_t.