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📄 第四课　数据类型　　(先来简单说说c语言的标识符和关键字。标识符是用来......)　　第四课范例程序包.htm

📁 单片机的c语言教程,属于初级教材,适合初学者,高手们就不要下了啊!!
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<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>signed char<O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 97.3pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
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<P class=MsoNormal><font font color="#000000">单字节<SPAN  
lang=EN-US><O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 187pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
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<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>-128～+127<O:P></O:P></SPAN></font></P></TD></TR>  
<TR>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 142.1pt; mso-border-top-alt: solid windowtext .5pt"  
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<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>unsigned int<O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 97.3pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=130>  
<P class=MsoNormal><font font color="#000000">双字节<SPAN  
lang=EN-US><O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 187pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=249>  
<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>0～65535<O:P></O:P></SPAN></font></P></TD></TR>  
<TR>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 142.1pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=189>  
<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>signed int<O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 97.3pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=130>  
<P class=MsoNormal><font font color="#000000">双字节<SPAN  
lang=EN-US><O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 187pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=249>  
<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>-32768～+32767<O:P></O:P></SPAN></font></P></TD></TR>  
<TR>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 142.1pt; mso-border-top-alt: solid windowtext .5pt"  
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<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>unsigned long<O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 97.3pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
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<P class=MsoNormal><font font color="#000000">四字节<SPAN  
lang=EN-US><O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 187pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=249>  
<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>0～4294967295<O:P></O:P></SPAN></font></P></TD></TR>  
<TR>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 142.1pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=189>  
<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>signed long<O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 97.3pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=130>  
<P class=MsoNormal><font font color="#000000">四字节<SPAN  
lang=EN-US><O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 187pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=249>  
<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>-2147483648～+2147483647<O:P></O:P></SPAN></font></P></TD></TR>  
<TR>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 142.1pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=189>  
<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>float<O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 97.3pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=130>  
<P class=MsoNormal><font font color="#000000">四字节<SPAN  
lang=EN-US><O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 187pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=249>  
<P class=MsoNormal><font font color="#000000">±<SPAN  
lang=EN-US>1.175494E-38～±3.402823E+38<O:P></O:P></SPAN></font></P></TD></TR>  
<TR>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 142.1pt; mso-border-top-alt: solid windowtext .5pt"  
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<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>*<O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 97.3pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
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<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>1～3字节<O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 187pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=249>  
<P class=MsoNormal><font font color="#000000">对象的地址<SPAN  
lang=EN-US><O:P></O:P></SPAN></font></P></TD></TR>  
<TR>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 142.1pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=189>  
<P class=MsoNormal><font font color="#000000"><SPAN lang=EN-US>bit<O:P></O:P></SPAN></font></P></TD>  
<TD  
style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 97.3pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt"  
vAlign=top width=130>  
<P class=MsoNormal><font font color="#000000">位<SPAN  
lang=EN-US><O:P></O:P></SPAN></font></P></TD>  
<TD
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