¿Por qué no se requiere #include <stdio.h> para usar printf ()?

Question

Dec 03, 2008, 11:57 AM

¿Por qué no se requiere #include <stdio.h> para usar printf ()?

Transcripción de la sesión:

>type lookma.c
int main() {
  printf("%s", "no stdio.h");
}

>cl lookma.c
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 14.00.50727.762 for 80x86
Copyright (C) Microsoft Corporation.  All rights reserved.

lookma.c
Microsoft (R) Incremental Linker Version 8.00.50727.762
Copyright (C) Microsoft Corporation.  All rights reserved.

/out:lookma.exe
lookma.obj

>lookma
no stdio.h