Initial import of c parser

[cparser] / lextest / legalc / trigraphs.c

#include <stdio.h>

int main()
{
        int i = 0;
        i +??/
= 2;

        printf("Result: %d\n", i);
        printf("Newline???/??/
n");
        printf("A backslash: '%c'\n", '\??/
\');
        printf("??= ??( ??/\ ??) ??' ??< ??! ??> ??- ??? \n");
        return 0;
}