Learnind of the Week (Lorebeth-Sept. 8=12)

LEARNINGS OF THE WEEK (Sept. 8-12)
By: Lortebeth A.Betinol

This is what we have discussed.

#include
#define
directive
main() {
variable declaration section;
______________________
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}

#include directive – contains information needed by the program to ensure the correct operation of C’s Standard library functions.
#define directive – used to shorten the keywords in the program.
Variable declaration section – it is the place where you declare your variables.
Body of the program – start by typing main() and the { and }. All statements should be written inside the braces.
C is a case sensitive program, therefore use lowercase letters only.

Commonly used include files in C language.
nalloc.h – declares memory management functions. nconio.h – declares various functions used in calling IBM-PC ROM BIOS. nctype.h – contains information used by the calssification and character convertion macros. nmath.h – declares prototype for the math functions. nstdio.h – defines types and macros needed for standard I/O. nstring.h – declares several string manipulation and memory manipulation routines.

Important Symbols
\n – is a line char used to move the cursor to the next line ‘ ‘ – single quote is used for single character / letter. “ “ – double quote is used for two or more character { - open curly brace signifies begin } – close curly brace signifies end n& - address of operator * - indirection operator / pointer