1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
#include <stdio.h> /** read a character from stdin **/ int getchar(void) { /* RETURN_SUCCESS(the next character); RETURN_FAILURE(CONSTANT(EOF)); */ return getc(stdin); } /*** reads the next character from ARGUMENT(stdin). ***/ /* STDC(1) */