#include<stdio.h>
int main()
{
printf("Hello World!");
return 0;
}
#include<stdio.h>
- The prototypes of different library functions are grouped together into categories according to their functionalities and are stored into different header files.
stdio.h: prototypes of standard input/output functions
conio.h: prototypes of console input/output functions
math.h: Prototypes of mathematics related functions
- Anything starting with '#' will be handled by the preprocessor.
- The 'include' directive causes the entire contents of the file to be inserted into the source code.
int main() {...}
printf("Hello World!");