stdio.h

• We've already talked about scanf and printf, now here are some other stdio routines you might find useful.

• fflush( stdin ); will "flush" (clear) the standard input buffer. This is often used to prevent bad input from screwing up multiple scanf calls.

• c = getchar(); assigns the next character on the input buffer to c. It is the same as scanf( "%c", &c );.

• putchar(c); is the same as printf( "%c", c );.

• ungetc( c, stdin ); allows you to put a character read in by getchar BACK onto the input buffer.