include/fileio.h

   1 /** @file fileio.h
   2  * @brief ANSI FILE* clone API declarations.
   3  * @version $Id: fileio.h,v 1.4 2004/10/05 01:45:24 entrope Exp $
   4  */
   5 #ifndef INCLUDED_fileio_h
   6 #define INCLUDED_fileio_h
   7
   8 #ifndef INCLUDED_sys_types_h
   9 #include <sys/types.h>          /* size_t */
  10 #define INCLUDED_sys_types_h
  11 #endif
  12
  13 struct stat;
  14
  15 /** A mirror of the ANSI FILE struct, but it works for any
  16  * file descriptor. FileBufs are allocated when a file is opened with
  17  * fbopen, and they are freed when the file is closed using fbclose.
  18  * (Some OSes limit the range of file descriptors in a FILE*, for
  19  * example to fit in "char".)
  20  */
  21 typedef struct FileBuf FBFILE;
  22
  23 /*
  24  * open a file and return a FBFILE*, see fopen(3)
  25  */
  26 extern FBFILE *fbopen(const char *filename, const char *mode);
  27 /*
  28  * associate a file descriptor with a FBFILE*
  29  * if a FBFILE* is associated here it MUST be closed using fbclose
  30  * see fdopen(3)
  31  */
  32 extern FBFILE *fdbopen(int fd, const char *mode);
  33 /*
  34  * close a file opened with fbopen, see fclose(3)
  35  */
  36 extern void fbclose(FBFILE * fb);
  37 /*
  38  * return the next character from the file, EOF on end of file
  39  * see fgetc(3)
  40  */
  41 extern int fbgetc(FBFILE * fb);
  42 /*
  43  * return next string in a file up to and including the newline character
  44  * see fgets(3)
  45  */
  46 extern char *fbgets(char *buf, size_t len, FBFILE * fb);
  47 /*
  48  * write a null terminated string to a file, see fputs(3)
  49  */
  50 extern int fbputs(const char *str, FBFILE * fb);
  51 /*
  52  * return the status of the file associated with fb, see fstat(3)
  53  */
  54 extern int fbstat(struct stat *sb, FBFILE * fb);
  55
  56 #endif /* INCLUDED_fileio_h */