Asked by Mary Morris on September 15, 2021
Categories: Technology and computing Programming languages
Rating: 4.8/5 (74 votes)
In computer science, a preprocessor is a program that processes its input data to produce output that is used as input to another program. A common example from computer programming is the processing performed on source code before thenext step of compilation.
What is #include in C? #include is a preprocessor directive for C language which copies the code from the requested file to the given file just before compilation. So #include <stdio.h> copies all contents of stdio. h to your program just before your program reaches thecompiler.
What is Stdio h in C? #include<stdio. h> is a statement which tells the compiler to insert the contents of stdio at that particular place. stdio. h is the header file for standard input and output. This is useful for getting the input from the user(Keyboard) and output result text to the-monitor(screen).
Why #define is used in C? In the C Programming Language, the #define directive allows the definition of macros within your source code. These macro definitions allow constant values to be declared for use throughout your code. You generally use this syntax when creating constants that represent numbers, strings orexpressions.
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