// stdio.h
// it contains functions
// saik(10) -- its a function
// .h files are called as Header Files
// They only contains predefined functions
// Processing oF running a C program
// main.c
// preprocessor
//--> Compiler ---> main.o
// stdio.o
// Linker --> (stdio.o and main.o)
// return_type function_name(datatype parameter1, datatype param2, ....){
int -
float -
int add(int num1, int num2){
int num3 = num1 + num2;
return num3;
}
#include <stdio.h>
#define number 256
int main() {
printf("Hello World!\n");
int num1 = 10;// num1 -integer datatype
int tot = add(10 ,20 );
return 0;
}