Mercurial > flash_v2
annotate packages/language/c/libc/stdio/current/include/stdio.h @ 132:0ae0bc38e387 ecos-sw-2000-10-31
Merge from eCos master repository on 2000-10-31-00:30:36-GMT
| author | jlarmour |
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| date | Tue, 31 Oct 2000 20:53:09 +0000 |
| parents | 6ed91473a1cd |
| children | d2f49caf9e38 |
| rev | line source |
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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 //####COPYRIGHTBEGIN#### |
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11 // |
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12 // ------------------------------------------- |
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13 // The contents of this file are subject to the Red Hat eCos Public License |
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14 // Version 1.1 (the "License"); you may not use this file except in |
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15 // compliance with the License. You may obtain a copy of the License at |
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16 // http://www.redhat.com/ |
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17 // |
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18 // Software distributed under the License is distributed on an "AS IS" |
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19 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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20 // License for the specific language governing rights and limitations under |
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21 // the License. |
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22 // |
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23 // The Original Code is eCos - Embedded Configurable Operating System, |
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24 // released September 30, 1998. |
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25 // |
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26 // The Initial Developer of the Original Code is Red Hat. |
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27 // Portions created by Red Hat are |
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28 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc. |
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29 // All Rights Reserved. |
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30 // ------------------------------------------- |
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31 // |
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32 //####COPYRIGHTEND#### |
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33 //======================================================================== |
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34 //#####DESCRIPTIONBEGIN#### |
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35 // |
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36 // Author(s): jlarmour |
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37 // Contributors: |
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38 // Date: 2000-04-19 |
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39 // Purpose: ISO C standard I/O routines |
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40 // Description: |
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41 // Usage: Do not include this file directly - use #include <stdio.h> |
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42 // |
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43 //####DESCRIPTIONEND#### |
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44 // |
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45 //======================================================================== |
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46 |
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47 // CONFIGURATION |
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48 |
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49 #include <pkgconf/libc_stdio.h> // Configuration header |
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50 |
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51 // INCLUDES |
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52 |
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53 #include <cyg/infra/cyg_type.h> // common type definitions and support |
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54 #include <stdarg.h> // va_list from compiler |
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55 |
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56 // CONSTANTS |
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57 |
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58 // Some of these values are odd to ensure that asserts have better effect |
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59 // should spurious values be passed to functions expecting these constants. |
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60 |
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61 // _IOFBF, _IOLBF, and _IONBF specify full, line or no buffering when used |
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62 // with setvbuf() - ISO C standard chap 7.9.1 |
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63 |
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64 #define _IOFBF (-2) |
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65 #define _IOLBF (-4) |
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66 #define _IONBF (-8) |
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67 |
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68 // EOF is a macro defined to any negative integer constant - ISO C standard |
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69 // chap. 7.9.1 |
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70 #define EOF (-1) |
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71 |
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72 // SEEK_CUR, SEEK_END and SEEK_SET are used with fseek() as position |
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73 // anchors - ISO C standard chap. 7.9.1 |
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74 #define SEEK_SET 0 |
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75 #define SEEK_CUR 1 |
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76 #define SEEK_END 2 |
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77 |
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78 |
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79 // TYPE DEFINITIONS |
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80 |
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81 // A type capable of specifying uniquely every file position - ISO C |
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82 // standard chap 7.9.1 |
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83 typedef cyg_ucount32 fpos_t; |
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84 |
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85 |
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86 // FILE is just cast to an address here. It is uncast internally to the |
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87 // C library in stream.hxx as the C++ Cyg_StdioStream class. |
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88 // Optional run-time checking can be enabled to ensure that the cast is |
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89 // valid, using the standard assertion functionality. |
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90 // |
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91 // The array size is irrelevant other than being more than 8, and is present |
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92 // to stop references to FILEs being marked as able to be put in the small |
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93 // data section. We can't just mark it as in the ".data" section as on some |
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94 // targets it may actually be ".common". Maybe this doesn't matter? |
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95 // FIXME: This doesn't work if things are larger than 16 are put in sdata, |
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96 // e.g. on mips by specifying -G 32 |
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97 typedef CYG_ADDRESS FILE[16]; |
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98 |
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99 // EXTERNAL VARIABLES |
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100 |
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101 // Default file streams for input/output. These only need to be |
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102 // expressions, not l-values - ISO C standard chap. 7.9.1 |
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103 // |
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104 // cyg_libc_stdio_stdin/out/err aren't really files of course, |
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105 // but they are only named here so that we can take the address of |
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106 // them, in which case it doesn't matter what type they point to really |
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107 // |
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108 // CYGPRI_LIBC_STDIO_NO_DEFAULT_STREAMS is used when initializing |
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109 // cyg_libc_stdio_stdin/out/err privately inside the C library |
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110 |
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111 #ifndef CYGPRI_LIBC_STDIO_NO_DEFAULT_STREAMS |
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112 extern FILE cyg_libc_stdio_stdin, cyg_libc_stdio_stdout, |
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113 cyg_libc_stdio_stderr; |
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114 |
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115 #define stdin (&cyg_libc_stdio_stdin) |
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116 #define stdout (&cyg_libc_stdio_stdout) |
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117 #define stderr (&cyg_libc_stdio_stderr) |
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118 #endif |
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119 |
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120 // FUNCTION PROTOTYPES |
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121 |
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122 //======================================================================== |
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123 |
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124 // ISO C 7.9.5 File access functions |
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125 |
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126 externC int |
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127 fclose( FILE * /* stream */ ); |
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128 |
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129 externC int |
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130 fflush( FILE * /* stream */ ); |
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131 |
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132 externC FILE * |
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133 fopen( const char * /* filename */, const char * /* mode */ ); |
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134 |
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135 externC FILE * |
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136 freopen( const char * /* filename */, const char * /* mode */, |
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137 FILE * /* stream */ ); |
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138 |
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139 externC void |
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140 setbuf( FILE * /* stream */, char * /* buffer */ ); |
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141 |
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142 externC int |
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143 setvbuf( FILE * /* stream */, char * /* buffer */, int /* mode */, |
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144 size_t /* size */ ); |
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145 |
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146 //======================================================================== |
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147 |
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148 // ISO C 7.9.6 Formatted input/output functions |
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149 |
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150 externC int |
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151 fprintf( FILE * /* stream */, const char * /* format */, ... ); |
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152 |
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153 externC int |
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154 fscanf( FILE * /* stream */, const char * /* format */, ... ); |
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155 |
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156 externC int |
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157 printf( const char * /* format */, ... ); |
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158 |
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159 externC int |
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160 scanf( const char * /* format */, ... ); |
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161 |
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162 externC int |
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163 sprintf( char * /* str */, const char * /* format */, ... ); |
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164 |
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165 externC int |
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166 sscanf( const char * /* str */, const char * /* format */, ... ); |
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167 |
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168 externC int |
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169 vfprintf( FILE * /* stream */, const char * /* format */, |
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170 va_list /* args */ ); |
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171 |
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172 externC int |
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173 vprintf( const char * /* format */, va_list /* args */ ); |
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174 |
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175 externC int |
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176 vsprintf( char * /* str */, const char * /* format */, |
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177 va_list /* args */ ); |
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178 |
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179 //======================================================================== |
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180 |
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181 // ISO C 7.9.7 Character input/output functions |
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182 |
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183 externC int |
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184 fgetc( FILE * /* stream */ ); |
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185 |
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186 externC char * |
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187 fgets( char * /* str */, int /* length */, FILE * /* stream */ ); |
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188 |
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189 externC int |
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190 fputc( int /* c */, FILE * /* stream */ ); |
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191 |
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192 externC int |
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193 putc( int /* c */, FILE * /* stream */ ); |
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194 |
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195 externC int |
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196 putchar( int /* c */ ); |
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197 |
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198 externC int |
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199 fputs( const char * /* str */, FILE * /* stream */ ); |
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200 |
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201 externC char * |
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202 gets( char * ); |
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203 |
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204 externC int |
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205 getc( FILE * /* stream */ ); |
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206 |
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207 externC int |
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208 getchar( void ); |
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209 |
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210 externC int |
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211 puts( const char * /* str */ ); |
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212 |
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213 externC int |
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214 ungetc( int /* c */, FILE * /* stream */ ); |
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215 |
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216 // no function equivalent is required for getchar() or putchar(), so we can |
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217 // just #define them |
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218 |
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219 #define getchar() fgetc( stdin ) |
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220 |
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221 #define putchar(__c) fputc(__c, stdout) |
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222 |
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223 //======================================================================== |
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224 |
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225 // ISO C 7.9.8 Direct input/output functions |
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226 |
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227 externC size_t |
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228 fread( void * /* ptr */, size_t /* object_size */, |
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229 size_t /* num_objects */, FILE * /* stream */ ); |
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230 |
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231 externC size_t |
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232 fwrite( const void * /* ptr */, size_t /* object_size */, |
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233 size_t /* num_objects */, FILE * /* stream */ ); |
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234 |
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235 //======================================================================== |
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236 |
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237 // ISO C 7.9.9 File positioning functions |
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238 |
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239 externC int |
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240 fgetpos( FILE * /* stream */, fpos_t * /* pos */ ); |
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241 |
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242 externC int |
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243 fseek( FILE * /* stream */, long int /* offset */, int /* whence */ ); |
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244 |
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245 externC int |
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246 fsetpos( FILE * /* stream */, const fpos_t * /* pos */ ); |
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247 |
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248 externC long int |
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249 ftell( FILE * /* stream */ ); |
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250 |
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251 externC void |
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252 rewind( FILE * /* stream */ ); |
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253 |
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254 //======================================================================== |
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255 |
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256 // ISO C 7.9.10 Error-handling functions |
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257 |
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258 externC void |
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259 clearerr( FILE * /* stream */ ); |
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260 |
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261 externC int |
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262 feof( FILE * /* stream */ ); |
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263 |
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264 externC int |
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265 ferror( FILE * /* stream */ ); |
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266 |
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267 externC void |
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268 perror( const char * /* prefix_str */ ); |
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269 |
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270 //======================================================================== |
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271 |
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272 // Other non-ISO C functions |
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273 |
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274 externC int |
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275 fnprintf( FILE * /* stream */, size_t /* length */, |
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276 const char * /* format */, ... ); |
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277 |
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278 externC int |
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279 snprintf( char * /* str */, size_t /* length */, const char * /* format */, |
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280 ... ); |
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281 |
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282 externC int |
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283 vfnprintf( FILE * /* stream */, size_t /* length */, |
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284 const char * /* format */, va_list /* args */ ); |
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285 |
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286 externC int |
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287 vsnprintf( char * /* str */, size_t /* length */, |
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288 const char * /* format */, va_list /* args */ ); |
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289 |
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290 externC int |
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291 vscanf( const char * /* format */, va_list /* args */ ); |
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292 |
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293 externC int |
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294 vsscanf( const char * /* str */, const char * /* format */, |
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295 va_list /* args */ ); |
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296 |
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297 externC int |
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298 vfscanf( FILE * /* stream */, const char * /* format */, |
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299 va_list /* args */ ); |
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300 |
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301 |
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302 // INLINE FUNCTIONS |
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303 |
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304 #ifdef CYGIMP_LIBC_STDIO_INLINES |
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305 # include <cyg/libc/stdio/stdio.inl> |
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306 #endif |
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307 |
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308 #endif // CYGONCE_LIBC_STDIO_STDIO_H multiple inclusion protection |
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309 |
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310 // EOF stdio.h |
