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POprinting the ranges of fundamental datatypes in c
 

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  1. POprinting the ranges of fundamental datatypes in c
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    <p>I was trying the solve the problem of printing the ranges of fundamental datatypes in C.</p> <p>but I see that the values are wrong. Can anyone please point out my error ? </p> <pre><code>#include&lt;stdio.h&gt; #include&lt;limits.h&gt; #include&lt;float.h&gt; main() { FILE *fp=fopen("/*path to the file*/","w"); fprintf(fp,"Printing the ranges for data types:\n"); fprintf(fp,"Type Min_Value Max_Value Range\n"); fprintf(fp,"*************************************************************************************************************************************************\n"); fprintf(fp,"char %4d %4d%4d\n\n",CHAR_MIN,CHAR_MAX,CHAR_MAX-CHAR_MIN); fprintf(fp,"uchar 0 %4d %4d\n\n",UCHAR_MAX,UCHAR_MAX); fprintf(fp,"schar %d %4d %4d\n\n",SCHAR_MIN,SCHAR_MAX,SCHAR_MAX-SCHAR_MIN); fprintf(fp,"int %li %li %lu\n\n",(INT_MIN,INT_MAX,INT_MAX-INT_MIN)); fprintf(fp,"uint %d %lu %u\n\n",0,UINT_MAX,UINT_MAX); fprintf(fp,"long %lli %llu %llu\n\n",LONG_MIN,LONG_MAX,LONG_MAX-LONG_MIN); fprintf(fp,"ulong %ll %ll %lu\n\n",0,ULONG_MAX,ULONG_MAX); fprintf(fp,"short %ll %ll %ld\n\n",SHRT_MIN,SHRT_MAX,SHRT_MAX-SHRT_MIN); fprintf(fp,"ushort %ld %ll %ld\n\n",0,USHRT_MAX,USHRT_MAX); fclose(fp); } </code></pre> <p>this is the output</p> <pre><code>Printing the ranges for data types: Type Min_Value Max_Value Range ************************************************************************************************************************************************* char -128 127 255 uchar 0 255 255 schar -128 127 255 int -1 127 255 uint 0 4294967295 4294967295 long 9223372034707292160 18047113275375615 18047512710020968 ulong 0 short -32768 ushort 0 65535 </code></pre> <p>after updating the code and using the format specifiers the values for int and unsigned int and long are wrong here is the update.</p> <pre><code>printf("int %15d %15d %15u\n\n",INT_MIN,INT_MAX,INT_MAX-INT_MIN); printf("uint %u %15u %15u\n\n",0,UINT_MAX,UINT_MAX); printf("long %15l %15l %15lu\n\n",LONG_MIN,LONG_MAX,LONG_MAX-LONG_MIN); </code></pre>
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    1. COwhat do you exactly mean by the line "values are messed up"? are you worried about the layout of the output?
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    2. COsorry.i mean values are wrong.
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      1. USprogramer8
 

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