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Input/Output in C
There are a variety of functions that control input and output in C.
Control characters are used to determine the format in which the output
is displayed.
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Input and Output from/to Console
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printf("This is a statement to print\n");
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scanf("%d", &data_item);
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Input and Output from/to Files
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Declaring a Data File
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Opening a Data File
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filepointer = fopen("filename", "w");
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Output to a file
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fprintf(filepointer, "%d", data_item);
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fclose(filepointer);
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Input from a file
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fscanf(filepointer, "%d", &data_item);
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feof(filepointer);
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Control Characters
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