Mercurial > ecos
annotate packages/language/c/libc/stdio/current/include/stdio.h @ 210:d2c90368aeef
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| author | jlarmour |
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| date | Thu, 23 May 2002 22:59:51 +0000 |
| parents | e0c0827131d1 |
| children | 6eb55882e01c |
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1 #ifndef CYGONCE_LIBC_STDIO_STDIO_H |
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2 #define CYGONCE_LIBC_STDIO_STDIO_H |
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3 //======================================================================== |
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4 // |
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5 // stdio.h |
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6 // |
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7 // ISO C standard I/O routines - with some POSIX 1003.1 extensions |
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8 // |
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9 //======================================================================== |
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10 //####ECOSGPLCOPYRIGHTBEGIN#### |
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11 // ------------------------------------------- |
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12 // This file is part of eCos, the Embedded Configurable Operating System. |
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13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. |
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14 // |
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15 // eCos is free software; you can redistribute it and/or modify it under |
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16 // the terms of the GNU General Public License as published by the Free |
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17 // Software Foundation; either version 2 or (at your option) any later version. |
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18 // |
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19 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY |
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20 // WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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21 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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22 // for more details. |
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23 // |
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24 // You should have received a copy of the GNU General Public License along |
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25 // with eCos; if not, write to the Free Software Foundation, Inc., |
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26 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
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27 // |
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28 // As a special exception, if other files instantiate templates or use macros |
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29 // or inline functions from this file, or you compile this file and link it |
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30 // with other works to produce a work based on this file, this file does not |
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31 // by itself cause the resulting work to be covered by the GNU General Public |
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32 // License. However the source code for this file must still be made available |
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33 // in accordance with section (3) of the GNU General Public License. |
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34 // |
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35 // This exception does not invalidate any other reasons why a work based on |
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36 // this file might be covered by the GNU General Public License. |
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37 // |
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38 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. |
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39 // at http://sources.redhat.com/ecos/ecos-license/ |
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40 // ------------------------------------------- |
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41 //####ECOSGPLCOPYRIGHTEND#### |
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42 //======================================================================== |
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43 //#####DESCRIPTIONBEGIN#### |
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44 // |
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45 // Author(s): jlarmour |
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46 // Contributors: |
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47 // Date: 2000-04-19 |
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48 // Purpose: ISO C standard I/O routines |
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49 // Description: |
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50 // Usage: Do not include this file directly - use #include <stdio.h> |
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51 // |
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52 //####DESCRIPTIONEND#### |
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53 // |
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54 //======================================================================== |
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55 |
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56 // CONFIGURATION |
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57 |
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58 #include <pkgconf/libc_stdio.h> // Configuration header |
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59 |
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60 // INCLUDES |
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61 |
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62 #include <cyg/infra/cyg_type.h> // common type definitions and support |
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63 #include <stdarg.h> // va_list from compiler |
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64 |
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65 // CONSTANTS |
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66 |
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67 // Some of these values are odd to ensure that asserts have better effect |
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68 // should spurious values be passed to functions expecting these constants. |
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69 |
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70 // _IOFBF, _IOLBF, and _IONBF specify full, line or no buffering when used |
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71 // with setvbuf() - ISO C standard chap 7.9.1 |
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72 |
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73 #define _IOFBF (-2) |
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74 #define _IOLBF (-4) |
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75 #define _IONBF (-8) |
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76 |
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77 // EOF is a macro defined to any negative integer constant - ISO C standard |
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78 // chap. 7.9.1 |
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79 #define EOF (-1) |
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80 |
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81 // SEEK_CUR, SEEK_END and SEEK_SET are used with fseek() as position |
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82 // anchors - ISO C standard chap. 7.9.1 |
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83 #define SEEK_SET 0 |
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84 #define SEEK_CUR 1 |
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85 #define SEEK_END 2 |
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86 |
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87 |
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88 // TYPE DEFINITIONS |
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89 |
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90 // A type capable of specifying uniquely every file position - ISO C |
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91 // standard chap 7.9.1 |
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92 typedef cyg_ucount32 fpos_t; |
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93 |
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94 |
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95 // FILE is just cast to an address here. It is uncast internally to the |
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96 // C library in stream.hxx as the C++ Cyg_StdioStream class. |
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97 // Optional run-time checking can be enabled to ensure that the cast is |
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98 // valid, using the standard assertion functionality. |
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99 // |
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100 // The array size is irrelevant other than being more than 8, and is present |
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101 // to stop references to FILEs being marked as able to be put in the small |
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102 // data section. We can't just mark it as in the ".data" section as on some |
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103 // targets it may actually be ".common". |
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104 typedef CYG_ADDRESS FILE[9999]; |
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105 |
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106 // EXTERNAL VARIABLES |
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107 |
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108 // Default file streams for input/output. These only need to be |
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109 // expressions, not l-values - ISO C standard chap. 7.9.1 |
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110 // |
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111 // CYGPRI_LIBC_STDIO_NO_DEFAULT_STREAMS is used when initializing |
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112 // stdin/out/err privately inside the C library |
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113 |
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114 #ifndef CYGPRI_LIBC_STDIO_NO_DEFAULT_STREAMS |
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115 __externC FILE *stdin, *stdout, *stderr; |
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116 #endif |
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117 |
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118 // FUNCTION PROTOTYPES |
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119 |
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120 //======================================================================== |
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121 |
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122 // ISO C 7.9.5 File access functions |
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123 |
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124 externC int |
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125 fclose( FILE * /* stream */ ); |
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126 |
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127 externC int |
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128 fflush( FILE * /* stream */ ); |
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129 |
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130 externC FILE * |
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131 fopen( const char * /* filename */, const char * /* mode */ ); |
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132 |
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133 externC FILE * |
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134 freopen( const char * /* filename */, const char * /* mode */, |
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135 FILE * /* stream */ ); |
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136 |
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137 externC void |
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138 setbuf( FILE * /* stream */, char * /* buffer */ ); |
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139 |
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140 externC int |
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141 setvbuf( FILE * /* stream */, char * /* buffer */, int /* mode */, |
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142 size_t /* size */ ); |
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143 |
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144 //======================================================================== |
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145 |
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146 // ISO C 7.9.6 Formatted input/output functions |
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147 |
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148 externC int |
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149 fprintf( FILE * /* stream */, const char * /* format */, ... ); |
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150 |
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151 externC int |
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152 fscanf( FILE * /* stream */, const char * /* format */, ... ); |
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153 |
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154 externC int |
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155 printf( const char * /* format */, ... ); |
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156 |
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157 externC int |
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158 scanf( const char * /* format */, ... ); |
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159 |
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160 externC int |
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161 sprintf( char * /* str */, const char * /* format */, ... ); |
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162 |
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163 externC int |
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164 sscanf( const char * /* str */, const char * /* format */, ... ); |
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165 |
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166 externC int |
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167 vfprintf( FILE * /* stream */, const char * /* format */, |
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168 va_list /* args */ ); |
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169 |
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170 externC int |
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171 vprintf( const char * /* format */, va_list /* args */ ); |
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172 |
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173 externC int |
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174 vsprintf( char * /* str */, const char * /* format */, |
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175 va_list /* args */ ); |
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176 |
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177 //======================================================================== |
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178 |
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179 // ISO C 7.9.7 Character input/output functions |
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180 |
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181 externC int |
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182 fgetc( FILE * /* stream */ ); |
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183 |
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184 externC char * |
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185 fgets( char * /* str */, int /* length */, FILE * /* stream */ ); |
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186 |
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187 externC int |
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188 fputc( int /* c */, FILE * /* stream */ ); |
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189 |
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190 externC int |
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191 putc( int /* c */, FILE * /* stream */ ); |
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192 |
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193 externC int |
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194 putchar( int /* c */ ); |
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195 |
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196 externC int |
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197 fputs( const char * /* str */, FILE * /* stream */ ); |
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198 |
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199 externC char * |
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200 gets( char * ); |
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201 |
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202 externC int |
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203 getc( FILE * /* stream */ ); |
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204 |
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205 externC int |
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206 getchar( void ); |
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207 |
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208 externC int |
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209 puts( const char * /* str */ ); |
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210 |
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211 externC int |
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212 ungetc( int /* c */, FILE * /* stream */ ); |
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213 |
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214 // no function equivalent is required for getchar() or putchar(), so we can |
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215 // just #define them |
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216 |
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217 #define getchar() fgetc( stdin ) |
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218 |
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219 #define putchar(__c) fputc(__c, stdout) |
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220 |
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221 //======================================================================== |
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222 |
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223 // ISO C 7.9.8 Direct input/output functions |
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224 |
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225 externC size_t |
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226 fread( void * /* ptr */, size_t /* object_size */, |
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227 size_t /* num_objects */, FILE * /* stream */ ); |
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228 |
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229 externC size_t |
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230 fwrite( const void * /* ptr */, size_t /* object_size */, |
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231 size_t /* num_objects */, FILE * /* stream */ ); |
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232 |
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233 //======================================================================== |
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234 |
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235 // ISO C 7.9.9 File positioning functions |
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236 |
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237 externC int |
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238 fgetpos( FILE * /* stream */, fpos_t * /* pos */ ); |
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239 |
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240 externC int |
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241 fseek( FILE * /* stream */, long int /* offset */, int /* whence */ ); |
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242 |
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243 externC int |
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244 fsetpos( FILE * /* stream */, const fpos_t * /* pos */ ); |
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245 |
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246 externC long int |
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247 ftell( FILE * /* stream */ ); |
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248 |
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249 externC void |
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250 rewind( FILE * /* stream */ ); |
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251 |
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252 //======================================================================== |
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253 |
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254 // ISO C 7.9.10 Error-handling functions |
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255 |
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256 externC void |
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257 clearerr( FILE * /* stream */ ); |
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258 |
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259 externC int |
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260 feof( FILE * /* stream */ ); |
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261 |
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262 externC int |
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263 ferror( FILE * /* stream */ ); |
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264 |
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265 externC void |
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266 perror( const char * /* prefix_str */ ); |
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267 |
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268 //======================================================================== |
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269 |
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270 // Other non-ISO C functions |
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271 |
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272 externC int |
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273 fnprintf( FILE * /* stream */, size_t /* length */, |
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274 const char * /* format */, ... ); |
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275 |
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276 externC int |
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277 snprintf( char * /* str */, size_t /* length */, const char * /* format */, |
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278 ... ); |
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279 |
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280 externC int |
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281 vfnprintf( FILE * /* stream */, size_t /* length */, |
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282 const char * /* format */, va_list /* args */ ); |
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283 |
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284 externC int |
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285 vsnprintf( char * /* str */, size_t /* length */, |
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286 const char * /* format */, va_list /* args */ ); |
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287 |
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288 externC int |
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289 vscanf( const char * /* format */, va_list /* args */ ); |
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290 |
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291 externC int |
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292 vsscanf( const char * /* str */, const char * /* format */, |
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293 va_list /* args */ ); |
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294 |
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295 externC int |
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296 vfscanf( FILE * /* stream */, const char * /* format */, |
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297 va_list /* args */ ); |
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298 |
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299 |
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300 // INLINE FUNCTIONS |
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301 |
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302 #ifdef CYGIMP_LIBC_STDIO_INLINES |
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303 # include <cyg/libc/stdio/stdio.inl> |
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304 #endif |
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305 |
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306 #endif // CYGONCE_LIBC_STDIO_STDIO_H multiple inclusion protection |
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307 |
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308 // EOF stdio.h |
