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annotate docs/html/sdlcd.html @ 4067:07d621a03a94 SDL-1.2

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Use SDL C functions (fixes security warnings on OpenBSD)
author Sam Lantinga <slouken@libsdl.org>
date Sat, 14 Jul 2007 21:09:54 +0000
parents 355632dca928
children
rev   line source
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1 <HTML
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2 ><HEAD
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3 ><TITLE
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4 >SDL_CD</TITLE
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5 ><META
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6 NAME="GENERATOR"
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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8 "><LINK
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9 REL="HOME"
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10 TITLE="SDL Library Documentation"
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11 HREF="index.html"><LINK
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12 REL="UP"
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13 TITLE="CD-ROM"
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14 HREF="cdrom.html"><LINK
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15 REL="PREVIOUS"
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16 TITLE="SDL_CDClose"
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17 HREF="sdlcdclose.html"><LINK
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18 REL="NEXT"
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19 TITLE="SDL_CDtrack"
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20 HREF="sdlcdtrack.html"></HEAD
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21 ><BODY
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22 CLASS="REFENTRY"
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23 BGCOLOR="#FFF8DC"
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24 TEXT="#000000"
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25 LINK="#0000ee"
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26 VLINK="#551a8b"
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27 ALINK="#ff0000"
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28 ><DIV
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29 CLASS="NAVHEADER"
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30 ><TABLE
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31 SUMMARY="Header navigation table"
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32 WIDTH="100%"
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33 BORDER="0"
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34 CELLPADDING="0"
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35 CELLSPACING="0"
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36 ><TR
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37 ><TH
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38 COLSPAN="3"
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39 ALIGN="center"
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40 >SDL Library Documentation</TH
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41 ></TR
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42 ><TR
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43 ><TD
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44 WIDTH="10%"
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45 ALIGN="left"
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46 VALIGN="bottom"
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47 ><A
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48 HREF="sdlcdclose.html"
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49 ACCESSKEY="P"
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50 >Prev</A
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51 ></TD
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52 ><TD
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53 WIDTH="80%"
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54 ALIGN="center"
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55 VALIGN="bottom"
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56 ></TD
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57 ><TD
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58 WIDTH="10%"
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59 ALIGN="right"
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60 VALIGN="bottom"
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61 ><A
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62 HREF="sdlcdtrack.html"
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63 ACCESSKEY="N"
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64 >Next</A
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65 ></TD
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66 ></TR
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67 ></TABLE
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68 ><HR
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69 ALIGN="LEFT"
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70 WIDTH="100%"></DIV
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71 ><H1
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72 ><A
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73 NAME="SDLCD"
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74 ></A
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75 >SDL_CD</H1
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76 ><DIV
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77 CLASS="REFNAMEDIV"
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78 ><A
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79 NAME="AEN7566"
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80 ></A
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81 ><H2
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82 >Name</H2
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83 >SDL_CD&nbsp;--&nbsp;CDROM Drive Information</DIV
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84 ><DIV
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85 CLASS="REFSECT1"
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86 ><A
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87 NAME="AEN7569"
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88 ></A
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89 ><H2
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90 >Structure Definition</H2
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91 ><PRE
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92 CLASS="PROGRAMLISTING"
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93 >typedef struct{
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94 int id;
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95 CDstatus status;
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96 int numtracks;
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97 int cur_track;
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98 int cur_frame;
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99 SDL_CDtrack track[SDL_MAX_TRACKS+1];
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100 } SDL_CD;</PRE
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101 ></DIV
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102 ><DIV
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103 CLASS="REFSECT1"
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104 ><A
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105 NAME="AEN7572"
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106 ></A
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107 ><H2
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108 >Structure Data</H2
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109 ><DIV
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110 CLASS="INFORMALTABLE"
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111 ><A
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112 NAME="AEN7574"
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113 ></A
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114 ><P
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115 ></P
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116 ><TABLE
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117 BORDER="0"
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118 CLASS="CALSTABLE"
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119 ><TBODY
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120 ><TR
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121 ><TD
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122 ALIGN="LEFT"
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123 VALIGN="TOP"
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124 ><TT
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125 CLASS="STRUCTFIELD"
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126 ><I
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127 >id</I
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128 ></TT
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129 ></TD
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130 ><TD
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131 ALIGN="LEFT"
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132 VALIGN="TOP"
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133 >Private drive identifier</TD
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134 ></TR
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135 ><TR
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136 ><TD
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137 ALIGN="LEFT"
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138 VALIGN="TOP"
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139 ><TT
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140 CLASS="STRUCTFIELD"
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141 ><I
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142 >status</I
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143 ></TT
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144 ></TD
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145 ><TD
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146 ALIGN="LEFT"
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147 VALIGN="TOP"
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148 >Drive <A
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149 HREF="sdlcdstatus.html"
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150 >status</A
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151 ></TD
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152 ></TR
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153 ><TR
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154 ><TD
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155 ALIGN="LEFT"
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156 VALIGN="TOP"
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157 ><TT
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158 CLASS="STRUCTFIELD"
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159 ><I
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160 >numtracks</I
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161 ></TT
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162 ></TD
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163 ><TD
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164 ALIGN="LEFT"
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165 VALIGN="TOP"
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166 >Number of tracks on the CD</TD
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167 ></TR
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168 ><TR
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169 ><TD
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170 ALIGN="LEFT"
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171 VALIGN="TOP"
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172 ><TT
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173 CLASS="STRUCTFIELD"
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174 ><I
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175 >cur_track</I
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176 ></TT
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177 ></TD
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178 ><TD
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179 ALIGN="LEFT"
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180 VALIGN="TOP"
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181 >Current track</TD
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182 ></TR
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183 ><TR
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184 ><TD
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185 ALIGN="LEFT"
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186 VALIGN="TOP"
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187 ><TT
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188 CLASS="STRUCTFIELD"
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189 ><I
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190 >cur_frame</I
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191 ></TT
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192 ></TD
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193 ><TD
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194 ALIGN="LEFT"
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195 VALIGN="TOP"
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196 >Current frame offset within the track</TD
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197 ></TR
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198 ><TR
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199 ><TD
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200 ALIGN="LEFT"
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201 VALIGN="TOP"
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202 ><TT
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203 CLASS="STRUCTFIELD"
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204 ><I
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205 >track</I
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206 ></TT
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207 >[SDL_MAX_TRACKS+1]</TD
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208 ><TD
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209 ALIGN="LEFT"
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210 VALIGN="TOP"
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211 >Array of track descriptions. (see <A
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212 HREF="sdlcdtrack.html"
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213 ><SPAN
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214 CLASS="STRUCTNAME"
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215 >SDL_CDtrack</SPAN
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216 ></A
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217 >)</TD
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218 ></TR
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219 ></TBODY
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220 ></TABLE
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221 ><P
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222 ></P
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223 ></DIV
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224 ></DIV
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225 ><DIV
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226 CLASS="REFSECT1"
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227 ><A
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228 NAME="AEN7604"
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229 ></A
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230 ><H2
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231 >Description</H2
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232 ><P
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233 >An <SPAN
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234 CLASS="STRUCTNAME"
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235 >SDL_CD</SPAN
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236 > structure is returned by <A
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237 HREF="sdlcdopen.html"
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238 ><TT
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239 CLASS="FUNCTION"
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240 >SDL_CDOpen</TT
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241 ></A
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242 >. It represents an opened CDROM device and stores information on the layout of the tracks on the disc.</P
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243 ><P
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244 >A frame is the base data unit of a CD. <TT
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245 CLASS="LITERAL"
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246 >CD_FPS</TT
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247 > frames is equal to 1 second of music. SDL provides two macros for converting between time and frames: <TT
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248 CLASS="LITERAL"
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249 >FRAMES_TO_MSF(f, M,S,F)</TT
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250 > and <TT
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251 CLASS="LITERAL"
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252 >MSF_TO_FRAMES</TT
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253 >.</P
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254 ></DIV
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255 ><DIV
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256 CLASS="REFSECT1"
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257 ><A
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258 NAME="AEN7614"
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259 ></A
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260 ><H2
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261 >Examples</H2
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262 ><PRE
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263 CLASS="PROGRAMLISTING"
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264 >int min, sec, frame;
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265 int frame_offset;
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266
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267 FRAMES_TO_MSF(cdrom-&#62;cur_frame, &#38;min, &#38;sec, &#38;frame);
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268 printf("Current Position: %d minutes, %d seconds, %d frames\n", min, sec, frame);
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269
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270 frame_offset=MSF_TO_FRAMES(min, sec, frame);</PRE
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271 ></DIV
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272 ><DIV
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273 CLASS="REFSECT1"
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274 ><A
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275 NAME="AEN7617"
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276 ></A
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277 ><H2
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278 >See Also</H2
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279 ><P
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280 ><A
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281 HREF="sdlcdopen.html"
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282 ><TT
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283 CLASS="FUNCTION"
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284 >SDL_CDOpen</TT
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285 ></A
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286 >,
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287 <A
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288 HREF="sdlcdtrack.html"
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289 ><SPAN
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290 CLASS="STRUCTNAME"
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291 >SDL_CDtrack</SPAN
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292 ></A
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293 ></P
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294 ></DIV
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295 ><DIV
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296 CLASS="NAVFOOTER"
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297 ><HR
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298 ALIGN="LEFT"
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299 WIDTH="100%"><TABLE
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300 SUMMARY="Footer navigation table"
0
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301 WIDTH="100%"
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302 BORDER="0"
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303 CELLPADDING="0"
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304 CELLSPACING="0"
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305 ><TR
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306 ><TD
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307 WIDTH="33%"
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308 ALIGN="left"
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309 VALIGN="top"
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310 ><A
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311 HREF="sdlcdclose.html"
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312 ACCESSKEY="P"
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313 >Prev</A
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314 ></TD
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315 ><TD
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316 WIDTH="34%"
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317 ALIGN="center"
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318 VALIGN="top"
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319 ><A
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320 HREF="index.html"
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321 ACCESSKEY="H"
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322 >Home</A
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323 ></TD
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324 ><TD
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325 WIDTH="33%"
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326 ALIGN="right"
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327 VALIGN="top"
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328 ><A
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329 HREF="sdlcdtrack.html"
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330 ACCESSKEY="N"
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331 >Next</A
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332 ></TD
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333 ></TR
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334 ><TR
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335 ><TD
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336 WIDTH="33%"
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337 ALIGN="left"
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338 VALIGN="top"
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339 >SDL_CDClose</TD
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340 ><TD
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341 WIDTH="34%"
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342 ALIGN="center"
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343 VALIGN="top"
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344 ><A
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345 HREF="cdrom.html"
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346 ACCESSKEY="U"
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347 >Up</A
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348 ></TD
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349 ><TD
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350 WIDTH="33%"
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351 ALIGN="right"
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352 VALIGN="top"
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353 >SDL_CDtrack</TD
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354 ></TR
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355 ></TABLE
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356 ></DIV
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357 ></BODY
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
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358 ></HTML
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
359 >