main(){
int cal[CAL_V][CAL_H];
char header[HEADER_LEN];
int i, j;
int year, month;
time_t tt_now;
struct tm st_now;
tt_now = time(NULL);
st_now = *localtime(&tt_now);
month = st_now.tm_mon + 1;
year = st_now.tm_year + 1900;
make_header(month, year, header);
printf("%s\n", header);
printf("Su Mo Tu We Th Fr Sa\n");
make_cal(month, year, cal);
for(i=0;i<CAL_V;i++){
for(j=0;j<CAL_H;j++){
if(cal[i][j] != 0){
printf("%2d ", cal[i][j]);
}else{
printf(" ");
}
}
printf("\n");
}
}
int be_bc(int todc[2], int fromdc[2])
/*
read from stdin and covert into to RPN, send down pipe
then read from other pipe and print to user
uses fdopen() to convert a file descriptor to a stream
*/
{
char operations[BUFSIZ], message[BUFSIZ];
FILE *fpout, *fpin;
int fatal();
/* setup */
close(todc[0]); /* won't read from pipe to dc */
close(fromdc[1]); /* won't write to pipe from dc */
fpout = fdopen(todc[1], "w"); /* convert file dp to streams */
fpin = fdopen(fromdc[0], "r");
if (fpout == NULL || fpin == NULL) {
fatal("Error convering pipes to streams");
}
while(1) {
make_cal(message);
printf("\n");
printf("message: %s", message);
printf("\n");
if (fprintf(fpout, "%s %c", message, 'p')
== EOF) {
fatal("Error writing");
}
fprintf(fpout, "%s", message);
fflush(fpout);
if (fgets(message, BUFSIZ, fpin) == NULL) {
break;
}
printf("result: %s", message);
}
fclose(fpout);
fclose(fpin);
}
