UNIX 7th Ed. - /usr/src/libI77/fio.h

   1: #include <stdio.h>
   2: typedef long ftnint;
   3: typedef ftnint flag;
   4: typedef long ftnlen;
   5: /*external read, write*/
   6: typedef struct
   7: {   flag cierr;
   8:     ftnint ciunit;
   9:     flag ciend;
  10:     char *cifmt;
  11:     ftnint cirec;
  12: } cilist;
  13: /*internal read, write*/
  14: typedef struct
  15: {   flag icierr;
  16:     char *iciunit;
  17:     flag iciend;
  18:     char *icifmt;
  19:     ftnint icirlen;
  20:     ftnint icirnum;
  21: } icilist;
  22: /*open*/
  23: typedef struct
  24: {   flag oerr;
  25:     ftnint ounit;
  26:     char *ofnm;
  27:     ftnlen ofnmlen;
  28:     char *osta;
  29:     char *oacc;
  30:     char *ofm;
  31:     ftnint orl;
  32:     char *oblnk;
  33: } olist;
  34: /*close*/
  35: typedef struct
  36: {   flag cerr;
  37:     ftnint cunit;
  38:     char *csta;
  39: } cllist;
  40: /*rewind, backspace, endfile*/
  41: typedef struct
  42: {   flag aerr;
  43:     ftnint aunit;
  44: } alist;
  45: /*units*/
  46: typedef struct
  47: {   FILE *ufd;  /*0=unconnected*/
  48:     char *ufnm;
  49:     long uinode;
  50:     int url;    /*0=sequential*/
  51:     flag useek; /*true=can backspace, use dir, ...*/
  52:     flag ufmt;
  53:     flag uprnt;
  54:     flag ublnk;
  55:     flag uend;
  56:     flag uwrt;  /*last io was write*/
  57:     flag uscrtch;
  58: } unit;
  59: typedef struct
  60: {   flag inerr;
  61:     ftnint inunit;
  62:     char *infile;
  63:     ftnlen infilen;
  64:     ftnint  *inex;  /*parameters in standard's order*/
  65:     ftnint  *inopen;
  66:     ftnint  *innum;
  67:     ftnint  *innamed;
  68:     char    *inname;
  69:     ftnlen  innamlen;
  70:     char    *inacc;
  71:     ftnlen  inacclen;
  72:     char    *inseq;
  73:     ftnlen  inseqlen;
  74:     char    *indir;
  75:     ftnlen  indirlen;
  76:     char    *infmt;
  77:     ftnlen  infmtlen;
  78:     char    *inform;
  79:     ftnint  informlen;
  80:     char    *inunf;
  81:     ftnlen  inunflen;
  82:     ftnint  *inrecl;
  83:     ftnint  *innrec;
  84:     char    *inblank;
  85:     ftnlen  inblanklen;
  86: } inlist;
  87: 
  88: extern int errno;
  89: extern flag init;
  90: extern cilist *elist;   /*active external io list*/
  91: extern flag reading,external,sequential,formatted;
  92: extern int (*getn)(),(*putn)(); /*for formatted io*/
  93: extern FILE *cf;    /*current file*/
  94: extern unit *curunit;   /*current unit*/
  95: extern unit units[];
  96: #define err(f,n,s) {if(f) errno= n; else fatal(n,s); return(n);}
  97: 
  98: /*Table sizes*/
  99: #define MXUNIT 10
 100: 
 101: extern int recpos;  /*position in current record*/
 102: 
 103: #define WRITE   1
 104: #define READ    2
 105: #define SEQ 3
 106: #define DIR 4
 107: #define FMT 5
 108: #define UNF 6
 109: #define EXT 7
 110: #define INT 8

Defined typedef's

Defined macros

Usage of this include