The main function in C is user-defined. Built-in functions are simply those that do not require a library to be included, but every program must provide a user-defined point of entry; it cannot be built-in. Indeed, most functions in C are user-defined; the built-in functions are mostly operators rather than functions although most do behave like functions. The standard library functions are not built-in either; they all require the inclusion of the appropriate standard library header.
There is no builtin function 'counta' in C.
A main function must be present in every C program.
Every C plus plus program that is a main program must have the function 'main'.
There is no such thing. You probably meant the main function. The main function is the only function that is required as it serves as the entry point of the program.
No. At minimum, you need to provide a main() function.
There is no builtin function 'counta' in C.
The main function defines the entry point of an application in C.
#include "what-its-name-is.h"
in c main function initailly called by operating system.
if you do not used main function in c program when errors are accrued
A main function must be present in every C program.
The main function is the entry point for the application. Each program written in C or C++ will start at the first line in the main function, and cease execution once the main function returns control to the operating system (either via a return keyword in the main function, an exit(3) function call, or by "running off" the end of the main function). A program will not compile if it is missing the main function. Some variants of C++ have an alternate entry point (including those written for Microsoft Windows).
Because if you donot use main function in c program, the compiler willnot execute the program.C compiler starts execution from main function itself.
Yes
yes
Every C plus plus program that is a main program must have the function 'main'.
main() is the function from where the execution starts.