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41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/*
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* C program to read an English sentence and replace
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* lowercase characters by uppercase and vice-versa.
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* Output the given sentence as well as the converted
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* sentence on two different lines.
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*/
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#include <stdio.h>
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#include <ctype.h>
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void main()
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{
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char sentence[100];
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int count, ch, i;
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printf("Enter a sentence
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");
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for (i = 0; (sentence[i] = getchar()) != '
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'; i++)
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{
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;
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}
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sentence[i] = '';
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/* shows the number of chars accepted in a sentence */
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count = i;
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printf("The given sentence is : %s", sentence);
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printf("
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Case changed sentence is: ");
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for (i = 0; i < count; i++)
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{
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ch = islower(sentence[i])? toupper(sentence[i]) :
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tolower(sentence[i]);
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putchar(ch);
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}
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}
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Enter a sentence
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gETTING iLLUMIN8ED
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The given sentence is :
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gETTING iLLUMIN8ED
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Case changed sentence is:
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GETTING ILLUMIN8ED |